diff --git a/drivers/gpu/drm/drm_gem_shmem_helper.c b/drivers/gpu/drm/drm_gem_shmem_helper.c
index 3ecef571eff3..7e4851363d14 100644
--- a/drivers/gpu/drm/drm_gem_shmem_helper.c
+++ b/drivers/gpu/drm/drm_gem_shmem_helper.c
@@ -88,6 +88,13 @@ __drm_gem_shmem_create(struct drm_device *dev, size_t size, bool private)
 
 	INIT_LIST_HEAD(&shmem->madv_list);
 
+	/*
+	 * Eviction and purging are disabled by default, shmem user must enable
+	 * them explicitly using drm_gem_shmem_set_evictable/purgeable().
+	 */
+	shmem->eviction_disable_count = 1;
+	shmem->purging_disable_count = 1;
+
 	if (!private) {
 		/*
 		 * Our buffers are kept pinned, so allocating them
@@ -126,6 +133,107 @@ struct drm_gem_shmem_object *drm_gem_shmem_create(struct drm_device *dev, size_t
 }
 EXPORT_SYMBOL_GPL(drm_gem_shmem_create);
 
+static void
+drm_gem_shmem_add_pages_to_shrinker(struct drm_gem_shmem_object *shmem)
+{
+	struct drm_gem_object *obj = &shmem->base;
+	struct drm_gem_shmem_shrinker *gem_shrinker = obj->dev->shmem_shrinker;
+	size_t page_count = obj->size >> PAGE_SHIFT;
+
+	if (!shmem->pages_shrinkable) {
+		WARN_ON(gem_shrinker->shrinkable_count + page_count < page_count);
+		gem_shrinker->shrinkable_count += page_count;
+		shmem->pages_shrinkable = true;
+	}
+}
+
+static void
+drm_gem_shmem_remove_pages_from_shrinker(struct drm_gem_shmem_object *shmem)
+{
+	struct drm_gem_object *obj = &shmem->base;
+	struct drm_gem_shmem_shrinker *gem_shrinker = obj->dev->shmem_shrinker;
+	size_t page_count = obj->size >> PAGE_SHIFT;
+
+	if (shmem->pages_shrinkable) {
+		WARN_ON(gem_shrinker->shrinkable_count < page_count);
+		gem_shrinker->shrinkable_count -= page_count;
+		shmem->pages_shrinkable = false;
+	}
+}
+
+static void
+drm_gem_shmem_set_pages_state_locked(struct drm_gem_shmem_object *shmem,
+				     enum drm_gem_shmem_pages_state new_state)
+{
+	struct drm_gem_object *obj = &shmem->base;
+	struct drm_gem_shmem_shrinker *gem_shrinker = obj->dev->shmem_shrinker;
+
+	lockdep_assert_held(&gem_shrinker->lock);
+	lockdep_assert_held(&obj->resv->lock.base);
+
+	if (new_state >= DRM_GEM_SHMEM_PAGES_STATE_ACTIVE) {
+		if (drm_gem_shmem_is_evictable(shmem))
+			new_state = DRM_GEM_SHMEM_PAGES_STATE_EVICTABLE;
+
+		if (drm_gem_shmem_is_purgeable(shmem))
+			new_state = DRM_GEM_SHMEM_PAGES_STATE_PURGEABLE;
+
+		if (!shmem->pages)
+			new_state = DRM_GEM_SHMEM_PAGES_STATE_INACTIVE;
+
+		if (shmem->evicted)
+			new_state = DRM_GEM_SHMEM_PAGES_STATE_EVICTED;
+	}
+
+	if (shmem->pages_state == new_state)
+		return;
+
+	switch (new_state) {
+	case DRM_GEM_SHMEM_PAGES_STATE_INACTIVE:
+	case DRM_GEM_SHMEM_PAGES_STATE_PURGED:
+		drm_gem_shmem_remove_pages_from_shrinker(shmem);
+		list_del_init(&shmem->madv_list);
+		break;
+
+	case DRM_GEM_SHMEM_PAGES_STATE_ACTIVE:
+		drm_gem_shmem_remove_pages_from_shrinker(shmem);
+		list_move_tail(&shmem->madv_list, &gem_shrinker->lru_active);
+		break;
+
+	case DRM_GEM_SHMEM_PAGES_STATE_PURGEABLE:
+		drm_gem_shmem_add_pages_to_shrinker(shmem);
+		list_move_tail(&shmem->madv_list, &gem_shrinker->lru_purgeable);
+		break;
+
+	case DRM_GEM_SHMEM_PAGES_STATE_EVICTABLE:
+		drm_gem_shmem_add_pages_to_shrinker(shmem);
+		list_move_tail(&shmem->madv_list, &gem_shrinker->lru_evictable);
+		break;
+
+	case DRM_GEM_SHMEM_PAGES_STATE_EVICTED:
+		drm_gem_shmem_remove_pages_from_shrinker(shmem);
+		list_move_tail(&shmem->madv_list, &gem_shrinker->lru_evicted);
+		break;
+	}
+
+	shmem->pages_state = new_state;
+}
+
+static void
+drm_gem_shmem_set_pages_state(struct drm_gem_shmem_object *shmem,
+			      enum drm_gem_shmem_pages_state new_state)
+{
+	struct drm_gem_object *obj = &shmem->base;
+	struct drm_gem_shmem_shrinker *gem_shrinker = obj->dev->shmem_shrinker;
+
+	if (!gem_shrinker)
+		return;
+
+	mutex_lock(&gem_shrinker->lock);
+	drm_gem_shmem_set_pages_state_locked(shmem, new_state);
+	mutex_unlock(&gem_shrinker->lock);
+}
+
 /**
  * drm_gem_shmem_free - Free resources associated with a shmem GEM object
  * @shmem: shmem GEM object to free
@@ -137,6 +245,9 @@ void drm_gem_shmem_free(struct drm_gem_shmem_object *shmem)
 {
 	struct drm_gem_object *obj = &shmem->base;
 
+	/* take out shmem GEM object from the memory shrinker */
+	drm_gem_shmem_madvise(shmem, -1);
+
 	WARN_ON(shmem->vmap_use_count);
 
 	if (obj->import_attach) {
@@ -145,10 +256,11 @@ void drm_gem_shmem_free(struct drm_gem_shmem_object *shmem)
 		if (shmem->sgt) {
 			dma_unmap_sgtable(obj->dev->dev, shmem->sgt,
 					  DMA_BIDIRECTIONAL, 0);
+
 			sg_free_table(shmem->sgt);
 			kfree(shmem->sgt);
 		}
-		if (shmem->pages)
+		if (shmem->pages_use_count)
 			drm_gem_shmem_put_pages(shmem);
 	}
 
@@ -159,18 +271,226 @@ void drm_gem_shmem_free(struct drm_gem_shmem_object *shmem)
 }
 EXPORT_SYMBOL_GPL(drm_gem_shmem_free);
 
-static int drm_gem_shmem_get_pages_locked(struct drm_gem_shmem_object *shmem)
+static void drm_gem_shmem_update_pages_state_locked(struct drm_gem_shmem_object *shmem)
+{
+	struct drm_gem_object *obj = &shmem->base;
+	struct drm_gem_shmem_shrinker *gem_shrinker = obj->dev->shmem_shrinker;
+	enum drm_gem_shmem_pages_state new_state;
+
+	if (!gem_shrinker || obj->import_attach)
+		return;
+
+	mutex_lock(&gem_shrinker->lock);
+
+	if (!shmem->madv)
+		new_state = DRM_GEM_SHMEM_PAGES_STATE_ACTIVE;
+	else if (shmem->madv > 0)
+		new_state = DRM_GEM_SHMEM_PAGES_STATE_PURGEABLE;
+	else if (shmem->madv < 0)
+		new_state = DRM_GEM_SHMEM_PAGES_STATE_PURGED;
+
+	drm_gem_shmem_set_pages_state_locked(shmem, new_state);
+
+	mutex_unlock(&gem_shrinker->lock);
+}
+
+static void drm_gem_shmem_update_pages_state(struct drm_gem_shmem_object *shmem)
+{
+	dma_resv_lock(shmem->base.resv, NULL);
+	drm_gem_shmem_update_pages_state_locked(shmem);
+	dma_resv_unlock(shmem->base.resv);
+}
+
+static int
+drm_gem_shmem_set_evictable_locked(struct drm_gem_shmem_object *shmem)
+{
+	int ret = 0;
+
+	WARN_ON_ONCE(!shmem->eviction_disable_count--);
+
+	if (shmem->madv < 0)
+		ret = -ENOMEM;
+
+	drm_gem_shmem_update_pages_state_locked(shmem);
+
+	return ret;
+}
+
+static int
+drm_gem_shmem_set_unevictable_locked(struct drm_gem_shmem_object *shmem)
+{
+	struct drm_gem_object *obj = &shmem->base;
+	int err;
+
+	if (shmem->madv < 0)
+		return -ENOMEM;
+
+	if (shmem->evicted) {
+		err = obj->funcs->swap_in(obj);
+		if (err)
+			return err;
+	}
+
+	shmem->eviction_disable_count++;
+
+	drm_gem_shmem_update_pages_state_locked(shmem);
+
+	return 0;
+}
+
+static int
+drm_gem_shmem_set_purgeable_locked(struct drm_gem_shmem_object *shmem)
+{
+	int ret = 0;
+
+	WARN_ON_ONCE(!shmem->purging_disable_count--);
+
+	if (shmem->madv < 0)
+		ret = -ENOMEM;
+
+	drm_gem_shmem_update_pages_state_locked(shmem);
+
+	return ret;
+}
+
+/**
+ * drm_gem_shmem_set_purgeable() - Make GEM purgeable by memory shrinker
+ * @shmem: shmem GEM object
+ *
+ * Tell memory shrinker that this GEM can be purged. Initially purging is
+ * disabled for all GEMs. Each set_pureable() call must have corresponding
+ * set_unpureable() call. If GEM was purged, then -ENOMEM is returned.
+ *
+ * Returns:
+ * 0 on success or a negative error code on failure.
+ */
+int drm_gem_shmem_set_purgeable(struct drm_gem_shmem_object *shmem)
+{
+	int ret;
+
+	dma_resv_lock(shmem->base.resv, NULL);
+	ret = drm_gem_shmem_set_purgeable_locked(shmem);
+	dma_resv_unlock(shmem->base.resv);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(drm_gem_shmem_set_purgeable);
+
+static int
+drm_gem_shmem_set_unpurgeable_locked(struct drm_gem_shmem_object *shmem)
+{
+	if (shmem->madv < 0)
+		return -ENOMEM;
+
+	shmem->purging_disable_count++;
+
+	drm_gem_shmem_update_pages_state_locked(shmem);
+
+	return 0;
+}
+
+static int
+drm_gem_shmem_set_purgeable_and_evictable_locked(struct drm_gem_shmem_object *shmem)
+{
+	int ret;
+
+	ret = drm_gem_shmem_set_evictable_locked(shmem);
+	if (!ret) {
+		ret = drm_gem_shmem_set_purgeable_locked(shmem);
+		if (ret)
+			drm_gem_shmem_set_unevictable_locked(shmem);
+	}
+
+	return ret;
+}
+
+static int
+drm_gem_shmem_set_unpurgeable_and_unevictable_locked(struct drm_gem_shmem_object *shmem)
+{
+	int ret;
+
+	ret = drm_gem_shmem_set_unpurgeable_locked(shmem);
+	if (!ret) {
+		ret = drm_gem_shmem_set_unevictable_locked(shmem);
+		if (ret)
+			drm_gem_shmem_set_purgeable_locked(shmem);
+	}
+
+	return ret;
+}
+
+/**
+ * drm_gem_shmem_set_purgeable_and_evictable() - Make GEM unpurgeable and
+ * 						 unevictable by memory shrinker
+ * @shmem: shmem GEM object
+ *
+ * Tell memory shrinker that this GEM can't be purged and evicted. Each
+ * set_purgeable_and_evictable() call must have corresponding
+ * unpurgeable_and_unevictable() call. If GEM was purged, then -ENOMEM
+ * is returned.
+ *
+ * Returns:
+ * 0 on success or a negative error code on failure.
+ */
+int drm_gem_shmem_set_purgeable_and_evictable(struct drm_gem_shmem_object *shmem)
+{
+	int ret;
+
+	dma_resv_lock(shmem->base.resv, NULL);
+	ret = drm_gem_shmem_set_purgeable_and_evictable_locked(shmem);
+	dma_resv_unlock(shmem->base.resv);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(drm_gem_shmem_set_purgeable_and_evictable);
+
+/**
+ * drm_gem_shmem_set_unpurgeable_and_unevictable() - Make GEM purgeable and
+ * 						     evictable by memory shrinker
+ * @shmem: shmem GEM object
+ *
+ * Tell memory shrinker that this GEM can be purged and evicted. Each
+ * unpurgeable_and_unevictable() call must have corresponding
+ * set_purgeable_and_evictable() call. If GEM was purged, then -ENOMEM
+ * is returned.
+ *
+ * Returns:
+ * 0 on success or a negative error code on failure.
+ */
+int drm_gem_shmem_set_unpurgeable_and_unevictable(struct drm_gem_shmem_object *shmem)
+{
+	int ret;
+
+	ret = dma_resv_lock_interruptible(shmem->base.resv, NULL);
+	if (ret)
+		return ret;
+
+	ret = drm_gem_shmem_set_unpurgeable_and_unevictable_locked(shmem);
+	dma_resv_unlock(shmem->base.resv);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(drm_gem_shmem_set_unpurgeable_and_unevictable);
+
+static int
+drm_gem_shmem_acquire_pages_locked(struct drm_gem_shmem_object *shmem)
 {
 	struct drm_gem_object *obj = &shmem->base;
 	struct page **pages;
 
-	if (shmem->pages_use_count++ > 0)
+	if (shmem->madv < 0) {
+		WARN_ON(shmem->pages);
+		return -ENOMEM;
+	}
+
+	if (shmem->pages) {
+		WARN_ON(!shmem->evicted);
 		return 0;
+	}
 
 	pages = drm_gem_get_pages(obj);
 	if (IS_ERR(pages)) {
 		DRM_DEBUG_KMS("Failed to get pages (%ld)\n", PTR_ERR(pages));
-		shmem->pages_use_count = 0;
 		return PTR_ERR(pages);
 	}
 
@@ -189,6 +509,25 @@ static int drm_gem_shmem_get_pages_locked(struct drm_gem_shmem_object *shmem)
 	return 0;
 }
 
+static int drm_gem_shmem_get_pages_locked(struct drm_gem_shmem_object *shmem)
+{
+	int err;
+
+	if (shmem->madv < 0)
+		return -ENOMEM;
+
+	if (shmem->pages_use_count++ > 0)
+		return 0;
+
+	err = drm_gem_shmem_acquire_pages_locked(shmem);
+	if (err) {
+		shmem->pages_use_count = 0;
+		return err;
+	}
+
+	return 0;
+}
+
 /*
  * drm_gem_shmem_get_pages - Allocate backing pages for a shmem GEM object
  * @shmem: shmem GEM object
@@ -209,21 +548,38 @@ int drm_gem_shmem_get_pages(struct drm_gem_shmem_object *shmem)
 	if (ret)
 		return ret;
 	ret = drm_gem_shmem_get_pages_locked(shmem);
+
+	drm_gem_shmem_update_pages_state_locked(shmem);
+
 	dma_resv_unlock(shmem->base.resv);
 
 	return ret;
 }
 EXPORT_SYMBOL(drm_gem_shmem_get_pages);
 
-static void drm_gem_shmem_put_pages_locked(struct drm_gem_shmem_object *shmem)
+static void drm_gem_shmem_get_pages_no_fail(struct drm_gem_shmem_object *shmem)
 {
-	struct drm_gem_object *obj = &shmem->base;
+	WARN_ON(shmem->base.import_attach);
 
-	if (WARN_ON_ONCE(!shmem->pages_use_count))
-		return;
+	dma_resv_lock(shmem->base.resv, NULL);
 
-	if (--shmem->pages_use_count > 0)
+	if (drm_gem_shmem_get_pages_locked(shmem))
+		shmem->pages_use_count++;
+
+	drm_gem_shmem_update_pages_state_locked(shmem);
+
+	dma_resv_unlock(shmem->base.resv);
+}
+
+static void
+drm_gem_shmem_release_pages_locked(struct drm_gem_shmem_object *shmem)
+{
+	struct drm_gem_object *obj = &shmem->base;
+
+	if (!shmem->pages) {
+		WARN_ON(!shmem->evicted && shmem->madv >= 0);
 		return;
+	}
 
 #ifdef CONFIG_X86
 	if (shmem->map_wc)
@@ -236,6 +592,21 @@ static void drm_gem_shmem_put_pages_locked(struct drm_gem_shmem_object *shmem)
 	shmem->pages = NULL;
 }
 
+static void drm_gem_shmem_put_pages_locked(struct drm_gem_shmem_object *shmem)
+{
+	struct drm_gem_object *obj = &shmem->base;
+
+	lockdep_assert_held(&obj->resv->lock.base);
+
+	if (WARN_ON(!shmem->pages_use_count))
+		return;
+
+	if (--shmem->pages_use_count > 0)
+		return;
+
+	drm_gem_shmem_release_pages_locked(shmem);
+}
+
 /*
  * drm_gem_shmem_put_pages - Decrease use count on the backing pages for a shmem GEM object
  * @shmem: shmem GEM object
@@ -246,6 +617,7 @@ void drm_gem_shmem_put_pages(struct drm_gem_shmem_object *shmem)
 {
 	dma_resv_lock(shmem->base.resv, NULL);
 	drm_gem_shmem_put_pages_locked(shmem);
+	drm_gem_shmem_update_pages_state_locked(shmem);
 	dma_resv_unlock(shmem->base.resv);
 }
 EXPORT_SYMBOL(drm_gem_shmem_put_pages);
@@ -262,9 +634,21 @@ EXPORT_SYMBOL(drm_gem_shmem_put_pages);
  */
 int drm_gem_shmem_pin(struct drm_gem_shmem_object *shmem)
 {
+	int err;
+
 	WARN_ON(shmem->base.import_attach);
 
-	return drm_gem_shmem_get_pages(shmem);
+	err = drm_gem_shmem_set_unpurgeable_and_unevictable(shmem);
+	if (err)
+		return err;
+
+	err = drm_gem_shmem_get_pages(shmem);
+	if (err) {
+		drm_gem_shmem_set_purgeable_and_evictable(shmem);
+		return err;
+	}
+
+	return 0;
 }
 EXPORT_SYMBOL(drm_gem_shmem_pin);
 
@@ -280,6 +664,7 @@ void drm_gem_shmem_unpin(struct drm_gem_shmem_object *shmem)
 	WARN_ON(shmem->base.import_attach);
 
 	drm_gem_shmem_put_pages(shmem);
+	drm_gem_shmem_set_purgeable_and_evictable(shmem);
 }
 EXPORT_SYMBOL(drm_gem_shmem_unpin);
 
@@ -359,7 +744,18 @@ int drm_gem_shmem_vmap(struct drm_gem_shmem_object *shmem,
 	ret = dma_resv_lock_interruptible(shmem->base.resv, NULL);
 	if (ret)
 		return ret;
+
+	ret = drm_gem_shmem_set_unpurgeable_and_unevictable_locked(shmem);
+	if (ret)
+		goto unlock;
+
 	ret = drm_gem_shmem_vmap_locked(shmem, map);
+	if (ret)
+		drm_gem_shmem_set_purgeable_and_evictable_locked(shmem);
+	else
+		drm_gem_shmem_update_pages_state_locked(shmem);
+
+unlock:
 	dma_resv_unlock(shmem->base.resv);
 
 	return ret;
@@ -404,9 +800,9 @@ void drm_gem_shmem_vunmap(struct drm_gem_shmem_object *shmem,
 {
 	dma_resv_lock(shmem->base.resv, NULL);
 	drm_gem_shmem_vunmap_locked(shmem, map);
+	drm_gem_shmem_update_pages_state_locked(shmem);
+	drm_gem_shmem_set_purgeable_and_evictable_locked(shmem);
 	dma_resv_unlock(shmem->base.resv);
-
-	drm_gem_shmem_update_purgeable_status(shmem);
 }
 EXPORT_SYMBOL(drm_gem_shmem_vunmap);
 
@@ -447,29 +843,140 @@ int drm_gem_shmem_madvise(struct drm_gem_shmem_object *shmem, int madv)
 
 	madv = shmem->madv;
 
+	drm_gem_shmem_update_pages_state_locked(shmem);
+
 	dma_resv_unlock(shmem->base.resv);
 
 	return (madv >= 0);
 }
 EXPORT_SYMBOL(drm_gem_shmem_madvise);
 
-void drm_gem_shmem_purge_locked(struct drm_gem_shmem_object *shmem)
+/**
+ * drm_gem_shmem_swap_in_pages_locked() - Moves shmem pages back to memory
+ * @shmem: shmem GEM object
+ *
+ * This function moves pages back to memory if they were previously evicted
+ * by the memory shrinker.
+ *
+ * Returns:
+ * 0 on success or a negative error code on failure.
+ */
+int drm_gem_shmem_swap_in_pages_locked(struct drm_gem_shmem_object *shmem)
+{
+	struct drm_gem_object *obj = &shmem->base;
+	struct sg_table *sgt;
+	int ret;
+
+	lockdep_assert_held(&obj->resv->lock.base);
+
+	if (shmem->evicted) {
+		ret = drm_gem_shmem_acquire_pages_locked(shmem);
+		if (ret)
+			return ret;
+
+		sgt = drm_gem_shmem_get_sg_table(shmem);
+		if (IS_ERR(sgt))
+			return PTR_ERR(sgt);
+
+		ret = dma_map_sgtable(obj->dev->dev, sgt,
+				      DMA_BIDIRECTIONAL, 0);
+		if (ret) {
+			sg_free_table(sgt);
+			kfree(sgt);
+			return ret;
+		}
+
+		shmem->sgt = sgt;
+		shmem->evicted = false;
+		shmem->pages_state = DRM_GEM_SHMEM_PAGES_STATE_ACTIVE;
+
+		drm_gem_shmem_update_pages_state_locked(shmem);
+	}
+
+	return shmem->pages ? 0 : -ENOMEM;
+}
+EXPORT_SYMBOL_GPL(drm_gem_shmem_swap_in_pages_locked);
+
+/**
+ * drm_gem_shmem_swap_in_locked() - Moves shmem GEM back to memory
+ * @shmem: shmem GEM object
+ *
+ * This function moves shmem GEM back to memory if it was previously evicted
+ * by the memory shrinker. The GEM is ready to use on success.
+ *
+ * Returns:
+ * 0 on success or a negative error code on failure.
+ */
+int drm_gem_shmem_swap_in_locked(struct drm_gem_shmem_object *shmem)
+{
+	struct drm_gem_object *obj = &shmem->base;
+
+	lockdep_assert_held(&obj->resv->lock.base);
+
+	if (shmem->evicted)
+		return obj->funcs->swap_in(obj);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(drm_gem_shmem_swap_in_locked);
+
+static void drm_gem_shmem_unpin_pages_locked(struct drm_gem_shmem_object *shmem)
 {
 	struct drm_gem_object *obj = &shmem->base;
 	struct drm_device *dev = obj->dev;
 
-	WARN_ON(!drm_gem_shmem_is_purgeable(shmem));
+	if (shmem->evicted)
+		return;
 
 	dma_unmap_sgtable(dev->dev, shmem->sgt, DMA_BIDIRECTIONAL, 0);
+	drm_gem_shmem_release_pages_locked(shmem);
+	drm_vma_node_unmap(&obj->vma_node, dev->anon_inode->i_mapping);
+
 	sg_free_table(shmem->sgt);
 	kfree(shmem->sgt);
 	shmem->sgt = NULL;
+}
 
-	drm_gem_shmem_put_pages_locked(shmem);
+/**
+ * drm_gem_shmem_evict_locked - Evict shmem pages
+ * @shmem: shmem GEM object
+ *
+ * This function unpins shmem pages, allowing them to be swapped out from
+ * memory.
+ */
+void drm_gem_shmem_evict_locked(struct drm_gem_shmem_object *shmem)
+{
+	struct drm_gem_object *obj = &shmem->base;
 
-	shmem->madv = -1;
+	lockdep_assert_held(&obj->resv->lock.base);
 
-	drm_vma_node_unmap(&obj->vma_node, dev->anon_inode->i_mapping);
+	WARN_ON(!drm_gem_shmem_is_evictable(shmem));
+	WARN_ON(shmem->madv < 0);
+	WARN_ON(shmem->evicted);
+
+	drm_gem_shmem_unpin_pages_locked(shmem);
+
+	shmem->evicted = true;
+	drm_gem_shmem_set_pages_state(shmem, DRM_GEM_SHMEM_PAGES_STATE_EVICTED);
+}
+EXPORT_SYMBOL_GPL(drm_gem_shmem_evict_locked);
+
+/**
+ * drm_gem_shmem_purge_locked - Purge shmem pages
+ * @shmem: shmem GEM object
+ *
+ * This function permanently releases shmem pages.
+ */
+void drm_gem_shmem_purge_locked(struct drm_gem_shmem_object *shmem)
+{
+	struct drm_gem_object *obj = &shmem->base;
+
+	lockdep_assert_held(&obj->resv->lock.base);
+
+	WARN_ON(!drm_gem_shmem_is_purgeable(shmem));
+	WARN_ON(shmem->madv < 0);
+
+	drm_gem_shmem_unpin_pages_locked(shmem);
 	drm_gem_free_mmap_offset(obj);
 
 	/* Our goal here is to return as much of the memory as
@@ -480,6 +987,9 @@ void drm_gem_shmem_purge_locked(struct drm_gem_shmem_object *shmem)
 	shmem_truncate_range(file_inode(obj->filp), 0, (loff_t)-1);
 
 	invalidate_mapping_pages(file_inode(obj->filp)->i_mapping, 0, (loff_t)-1);
+
+	shmem->madv = -1;
+	drm_gem_shmem_set_pages_state(shmem, DRM_GEM_SHMEM_PAGES_STATE_PURGED);
 }
 EXPORT_SYMBOL(drm_gem_shmem_purge_locked);
 
@@ -543,22 +1053,31 @@ static vm_fault_t drm_gem_shmem_fault(struct vm_fault *vmf)
 	vm_fault_t ret;
 	struct page *page;
 	pgoff_t page_offset;
+	bool pages_inactive;
+	int err;
 
 	/* We don't use vmf->pgoff since that has the fake offset */
 	page_offset = (vmf->address - vma->vm_start) >> PAGE_SHIFT;
 
 	dma_resv_lock(shmem->base.resv, NULL);
 
-	if (page_offset >= num_pages ||
-	    WARN_ON_ONCE(!shmem->pages) ||
-	    shmem->madv < 0) {
+	pages_inactive = shmem->pages_state < DRM_GEM_SHMEM_PAGES_STATE_ACTIVE;
+	WARN_ON_ONCE(!shmem->pages ^ pages_inactive);
+
+	if (page_offset >= num_pages || (!shmem->pages && !shmem->evicted)) {
 		ret = VM_FAULT_SIGBUS;
 	} else {
+		err = drm_gem_shmem_swap_in_locked(shmem);
+		if (err) {
+			ret = VM_FAULT_OOM;
+			goto unlock;
+		}
+
 		page = shmem->pages[page_offset];
 
 		ret = vmf_insert_pfn(vma, vmf->address, page_to_pfn(page));
 	}
-
+unlock:
 	dma_resv_unlock(shmem->base.resv);
 
 	return ret;
@@ -568,13 +1087,8 @@ static void drm_gem_shmem_vm_open(struct vm_area_struct *vma)
 {
 	struct drm_gem_object *obj = vma->vm_private_data;
 	struct drm_gem_shmem_object *shmem = to_drm_gem_shmem_obj(obj);
-	int ret;
-
-	WARN_ON(shmem->base.import_attach);
-
-	ret = drm_gem_shmem_get_pages(shmem);
-	WARN_ON_ONCE(ret != 0);
 
+	drm_gem_shmem_get_pages_no_fail(shmem);
 	drm_gem_vm_open(vma);
 }
 
@@ -716,6 +1230,8 @@ struct sg_table *drm_gem_shmem_get_pages_sgt(struct drm_gem_shmem_object *shmem)
 
 	shmem->sgt = sgt;
 
+	drm_gem_shmem_update_pages_state(shmem);
+
 	return sgt;
 
 err_free_sgt:
@@ -762,6 +1278,202 @@ drm_gem_shmem_prime_import_sg_table(struct drm_device *dev,
 }
 EXPORT_SYMBOL_GPL(drm_gem_shmem_prime_import_sg_table);
 
+static struct drm_gem_shmem_shrinker *
+to_drm_shrinker(struct shrinker *shrinker)
+{
+	return container_of(shrinker, struct drm_gem_shmem_shrinker, base);
+}
+
+static unsigned long
+drm_gem_shmem_shrinker_count_objects(struct shrinker *shrinker,
+				     struct shrink_control *sc)
+{
+	struct drm_gem_shmem_shrinker *gem_shrinker = to_drm_shrinker(shrinker);
+	u64 count = READ_ONCE(gem_shrinker->shrinkable_count);
+
+	if (count >= SHRINK_EMPTY)
+		return SHRINK_EMPTY - 1;
+
+	return count ?: SHRINK_EMPTY;
+}
+
+static unsigned long
+drm_gem_shmem_shrinker_run_objects_scan(struct shrinker *shrinker,
+					unsigned long nr_to_scan,
+					bool *lock_contention,
+					bool evict)
+{
+	struct drm_gem_shmem_shrinker *gem_shrinker = to_drm_shrinker(shrinker);
+	struct drm_gem_shmem_object *shmem;
+	struct list_head still_in_list;
+	struct drm_gem_object *obj;
+	unsigned long freed = 0;
+	struct list_head *lru;
+	size_t page_count;
+
+	INIT_LIST_HEAD(&still_in_list);
+
+	mutex_lock(&gem_shrinker->lock);
+
+	if (evict)
+		lru = &gem_shrinker->lru_evictable;
+	else
+		lru = &gem_shrinker->lru_purgeable;
+
+	while (freed < nr_to_scan) {
+		shmem = list_first_entry_or_null(lru, typeof(*shmem), madv_list);
+		if (!shmem)
+			break;
+
+		obj = &shmem->base;
+		page_count = obj->size >> PAGE_SHIFT;
+		list_move_tail(&shmem->madv_list, &still_in_list);
+
+		if (evict && get_nr_swap_pages() < page_count)
+			continue;
+
+		/*
+		 * If it's in the process of being freed, gem_object->free()
+		 * may be blocked on lock waiting to remove it.  So just
+		 * skip it.
+		 */
+		if (!kref_get_unless_zero(&obj->refcount))
+			continue;
+
+		mutex_unlock(&gem_shrinker->lock);
+
+		/* prevent racing with job-submission code paths */
+		if (!dma_resv_trylock(obj->resv)) {
+			*lock_contention |= true;
+			goto shrinker_lock;
+		}
+
+		/* prevent racing with the dma-buf exporting */
+		if (!mutex_trylock(&gem_shrinker->dev->object_name_lock)) {
+			*lock_contention |= true;
+			goto resv_unlock;
+		}
+
+		/* check whether h/w uses this object */
+		if (!dma_resv_test_signaled(obj->resv, true))
+			goto object_name_unlock;
+
+		/* GEM may've become unpurgeable while shrinker was unlocked */
+		if (evict) {
+			if (!drm_gem_shmem_is_evictable(shmem))
+				goto object_name_unlock;
+		} else {
+			if (!drm_gem_shmem_is_purgeable(shmem))
+				goto object_name_unlock;
+		}
+
+		if (evict)
+			freed += obj->funcs->evict(obj);
+		else
+			freed += obj->funcs->purge(obj);
+object_name_unlock:
+		mutex_unlock(&gem_shrinker->dev->object_name_lock);
+resv_unlock:
+		dma_resv_unlock(obj->resv);
+shrinker_lock:
+		drm_gem_object_put(&shmem->base);
+		mutex_lock(&gem_shrinker->lock);
+	}
+
+	list_splice_tail(&still_in_list, lru);
+
+	mutex_unlock(&gem_shrinker->lock);
+
+	return freed;
+}
+
+static unsigned long
+drm_gem_shmem_shrinker_scan_objects(struct shrinker *shrinker,
+				    struct shrink_control *sc)
+{
+	unsigned long nr_to_scan = sc->nr_to_scan;
+	bool lock_contention = false;
+	unsigned long freed;
+
+	/* purge as many objects as we can */
+	freed = drm_gem_shmem_shrinker_run_objects_scan(shrinker, nr_to_scan,
+							&lock_contention, false);
+	nr_to_scan -= freed;
+
+	/* evict as many objects as we can */
+	if (freed < nr_to_scan)
+		freed += drm_gem_shmem_shrinker_run_objects_scan(shrinker,
+								 nr_to_scan,
+								 &lock_contention,
+								 true);
+
+	return (!freed && !lock_contention) ? SHRINK_STOP : freed;
+}
+
+/**
+ * drm_gem_shmem_shrinker_register() - Register shmem shrinker
+ * @dev: DRM device
+ *
+ * Returns:
+ * 0 on success or a negative error code on failure.
+ */
+int drm_gem_shmem_shrinker_register(struct drm_device *dev)
+{
+	struct drm_gem_shmem_shrinker *gem_shrinker;
+	int err;
+
+	if (WARN_ON(dev->shmem_shrinker))
+		return -EBUSY;
+
+	gem_shrinker = kzalloc(sizeof(*gem_shrinker), GFP_KERNEL);
+	if (!gem_shrinker)
+		return -ENOMEM;
+
+	gem_shrinker->base.count_objects = drm_gem_shmem_shrinker_count_objects;
+	gem_shrinker->base.scan_objects = drm_gem_shmem_shrinker_scan_objects;
+	gem_shrinker->base.seeks = DEFAULT_SEEKS;
+	gem_shrinker->dev = dev;
+
+	INIT_LIST_HEAD(&gem_shrinker->lru_purgeable);
+	INIT_LIST_HEAD(&gem_shrinker->lru_evictable);
+	INIT_LIST_HEAD(&gem_shrinker->lru_evicted);
+	INIT_LIST_HEAD(&gem_shrinker->lru_active);
+	mutex_init(&gem_shrinker->lock);
+
+	dev->shmem_shrinker = gem_shrinker;
+
+	err = register_shrinker(&gem_shrinker->base);
+	if (err) {
+		dev->shmem_shrinker = NULL;
+		kfree(gem_shrinker);
+		return err;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(drm_gem_shmem_shrinker_register);
+
+/**
+ * drm_gem_shmem_shrinker_unregister() - Unregister shmem shrinker
+ * @dev: DRM device
+ */
+void drm_gem_shmem_shrinker_unregister(struct drm_device *dev)
+{
+	struct drm_gem_shmem_shrinker *gem_shrinker = dev->shmem_shrinker;
+
+	if (gem_shrinker) {
+		unregister_shrinker(&gem_shrinker->base);
+		WARN_ON(!list_empty(&gem_shrinker->lru_purgeable));
+		WARN_ON(!list_empty(&gem_shrinker->lru_evictable));
+		WARN_ON(!list_empty(&gem_shrinker->lru_evicted));
+		WARN_ON(!list_empty(&gem_shrinker->lru_active));
+		mutex_destroy(&gem_shrinker->lock);
+		dev->shmem_shrinker = NULL;
+		kfree(gem_shrinker);
+	}
+}
+EXPORT_SYMBOL_GPL(drm_gem_shmem_shrinker_unregister);
+
 MODULE_DESCRIPTION("DRM SHMEM memory-management helpers");
 MODULE_IMPORT_NS(DMA_BUF);
 MODULE_LICENSE("GPL v2");
diff --git a/include/drm/drm_device.h b/include/drm/drm_device.h
index 9923c7a6885e..929546cad894 100644
--- a/include/drm/drm_device.h
+++ b/include/drm/drm_device.h
@@ -16,6 +16,7 @@ struct drm_vblank_crtc;
 struct drm_vma_offset_manager;
 struct drm_vram_mm;
 struct drm_fb_helper;
+struct drm_gem_shmem_shrinker;
 
 struct inode;
 
@@ -277,6 +278,9 @@ struct drm_device {
 	/** @vram_mm: VRAM MM memory manager */
 	struct drm_vram_mm *vram_mm;
 
+	/** @shmem_shrinker: SHMEM GEM memory shrinker */
+	struct drm_gem_shmem_shrinker *shmem_shrinker;
+
 	/**
 	 * @switch_power_state:
 	 *
diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h
index 9d7c61a122dc..390d1ce08ed3 100644
--- a/include/drm/drm_gem.h
+++ b/include/drm/drm_gem.h
@@ -172,6 +172,41 @@ struct drm_gem_object_funcs {
 	 * This is optional but necessary for mmap support.
 	 */
 	const struct vm_operations_struct *vm_ops;
+
+	/**
+	 * @purge:
+	 *
+	 * Releases the GEM object's allocated backing storage to the system.
+	 *
+	 * Returns the number of pages that have been freed by purging the GEM object.
+	 *
+	 * This callback is used by the GEM shrinker.
+	 */
+	unsigned long (*purge)(struct drm_gem_object *obj);
+
+	/**
+	 * @evict:
+	 *
+	 * Unpins the GEM object's allocated backing storage, allowing shmem pages
+	 * to be swapped out.
+	 *
+	 * Returns the number of pages that have been unpinned.
+	 *
+	 * This callback is used by the GEM shrinker.
+	 */
+	unsigned long (*evict)(struct drm_gem_object *obj);
+
+	/**
+	 * @swap_in:
+	 *
+	 * Pins GEM object's allocated backing storage if it was previously evicted,
+	 * moving swapped out pages back to memory.
+	 *
+	 * Returns 0 on success, or -errno on error.
+	 *
+	 * This callback is used by the GEM shrinker.
+	 */
+	int (*swap_in)(struct drm_gem_object *obj);
 };
 
 /**
diff --git a/include/drm/drm_gem_shmem_helper.h b/include/drm/drm_gem_shmem_helper.h
index 70889533962a..dc1c2db7d095 100644
--- a/include/drm/drm_gem_shmem_helper.h
+++ b/include/drm/drm_gem_shmem_helper.h
@@ -6,6 +6,7 @@
 #include <linux/fs.h>
 #include <linux/mm.h>
 #include <linux/mutex.h>
+#include <linux/shrinker.h>
 
 #include <drm/drm_file.h>
 #include <drm/drm_gem.h>
@@ -15,8 +16,18 @@
 struct dma_buf_attachment;
 struct drm_mode_create_dumb;
 struct drm_printer;
+struct drm_device;
 struct sg_table;
 
+enum drm_gem_shmem_pages_state {
+	DRM_GEM_SHMEM_PAGES_STATE_PURGED = -2,
+	DRM_GEM_SHMEM_PAGES_STATE_EVICTED = -1,
+	DRM_GEM_SHMEM_PAGES_STATE_INACTIVE = 0,
+	DRM_GEM_SHMEM_PAGES_STATE_ACTIVE = 1,
+	DRM_GEM_SHMEM_PAGES_STATE_EVICTABLE = 2,
+	DRM_GEM_SHMEM_PAGES_STATE_PURGEABLE = 3,
+};
+
 /**
  * struct drm_gem_shmem_object - GEM object backed by shmem
  */
@@ -43,8 +54,8 @@ struct drm_gem_shmem_object {
 	 * @madv: State for madvise
 	 *
 	 * 0 is active/inuse.
+	 * 1 is not-needed/can-be-purged
 	 * A negative value is the object is purged.
-	 * Positive values are driver specific and not used by the helpers.
 	 */
 	int madv;
 
@@ -91,6 +102,40 @@ struct drm_gem_shmem_object {
 	 * @map_wc: map object write-combined (instead of using shmem defaults).
 	 */
 	bool map_wc;
+
+	/**
+	 * @eviction_disable_count:
+	 *
+	 * The shmem pages are disallowed to be evicted by the memory shrinker
+	 * while count is non-zero. Used internally by memory shrinker.
+	 */
+	unsigned int eviction_disable_count;
+
+	/**
+	 * @purging_disable_count:
+	 *
+	 * The shmem pages are disallowed to be purged by the memory shrinker
+	 * while count is non-zero. Used internally by memory shrinker.
+	 */
+	unsigned int purging_disable_count;
+
+	/**
+	 * @pages_state: Current state of shmem pages. Used internally by
+	 * memory shrinker.
+	 */
+	enum drm_gem_shmem_pages_state pages_state;
+
+	/**
+	 * @evicted: True if shmem pages were evicted by the memory shrinker.
+	 * Used internally by memory shrinker.
+	 */
+	bool evicted;
+
+	/**
+	 * @pages_shrinkable: True if shmem pages can be evicted or purged
+	 * by the memory shrinker. Used internally by memory shrinker.
+	 */
+	bool pages_shrinkable;
 };
 
 #define to_drm_gem_shmem_obj(obj) \
@@ -111,15 +156,33 @@ int drm_gem_shmem_mmap(struct drm_gem_shmem_object *shmem, struct vm_area_struct
 
 int drm_gem_shmem_madvise(struct drm_gem_shmem_object *shmem, int madv);
 
+int drm_gem_shmem_set_purgeable(struct drm_gem_shmem_object *shmem);
+int drm_gem_shmem_set_purgeable_and_evictable(struct drm_gem_shmem_object *shmem);
+int drm_gem_shmem_set_unpurgeable_and_unevictable(struct drm_gem_shmem_object *shmem);
+
+static inline bool drm_gem_shmem_is_evictable(struct drm_gem_shmem_object *shmem)
+{
+	return (shmem->madv >= 0) && !shmem->eviction_disable_count &&
+		shmem->base.funcs->evict && shmem->base.funcs->swap_in &&
+		!shmem->vmap_use_count && !shmem->base.dma_buf &&
+		!shmem->base.import_attach && shmem->sgt;
+}
+
 static inline bool drm_gem_shmem_is_purgeable(struct drm_gem_shmem_object *shmem)
 {
-	return (shmem->madv > 0) &&
-		!shmem->vmap_use_count && shmem->sgt &&
-		!shmem->base.dma_buf && !shmem->base.import_attach;
+	return (shmem->madv > 0) && !shmem->purging_disable_count &&
+		!shmem->vmap_use_count && shmem->base.funcs->purge &&
+		!shmem->base.dma_buf && !shmem->base.import_attach &&
+		shmem->sgt;
 }
 
-void drm_gem_shmem_purge_locked(struct drm_gem_shmem_object *shmem);
+int drm_gem_shmem_swap_in_pages_locked(struct drm_gem_shmem_object *shmem);
+int drm_gem_shmem_swap_in_locked(struct drm_gem_shmem_object *shmem);
+
+void drm_gem_shmem_evict_locked(struct drm_gem_shmem_object *shmem);
+
 bool drm_gem_shmem_purge(struct drm_gem_shmem_object *shmem);
+void drm_gem_shmem_purge_locked(struct drm_gem_shmem_object *shmem);
 
 struct sg_table *drm_gem_shmem_get_sg_table(struct drm_gem_shmem_object *shmem);
 struct sg_table *drm_gem_shmem_get_pages_sgt(struct drm_gem_shmem_object *shmem);
@@ -262,6 +325,38 @@ static inline int drm_gem_shmem_object_mmap(struct drm_gem_object *obj, struct v
 	return drm_gem_shmem_mmap(shmem, vma);
 }
 
+/**
+ * struct drm_gem_shmem_shrinker - Generic memory shrinker for shmem GEMs
+ */
+struct drm_gem_shmem_shrinker {
+	/** @base: Shrinker for purging shmem GEM objects */
+	struct shrinker base;
+
+	/** @lock: Protects @lru_* */
+	struct mutex lock;
+
+	/** @lru_purgeable: List of shmem GEM objects available for purging */
+	struct list_head lru_purgeable;
+
+	/** @lru_active: List of active shmem GEM objects */
+	struct list_head lru_active;
+
+	/** @lru_evictable: List of shmem GEM objects that can be evicted */
+	struct list_head lru_evictable;
+
+	/** @lru_evicted: List of evicted shmem GEM objects */
+	struct list_head lru_evicted;
+
+	/** @dev: DRM device that uses this shrinker */
+	struct drm_device *dev;
+
+	/** @shrinkable_count: Count of shmem GEM pages to be purged and evicted */
+	u64 shrinkable_count;
+};
+
+int drm_gem_shmem_shrinker_register(struct drm_device *dev);
+void drm_gem_shmem_shrinker_unregister(struct drm_device *dev);
+
 /*
  * Driver ops
  */
