diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index c7875a48c8c1..5e8b0e38f145 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -367,6 +367,10 @@ int mem_cgroup_try_charge_delay(struct page *page, struct mm_struct *mm,
 void mem_cgroup_commit_charge(struct page *page, struct mem_cgroup *memcg,
 			      bool lrucare);
 void mem_cgroup_cancel_charge(struct page *page, struct mem_cgroup *memcg);
+
+int mem_cgroup_charge(struct page *page, struct mm_struct *mm, gfp_t gfp_mask,
+		      bool lrucare);
+
 void mem_cgroup_uncharge(struct page *page);
 void mem_cgroup_uncharge_list(struct list_head *page_list);
 
@@ -872,6 +876,12 @@ static inline void mem_cgroup_cancel_charge(struct page *page,
 {
 }
 
+static inline int mem_cgroup_charge(struct page *page, struct mm_struct *mm,
+				    gfp_t gfp_mask, bool lrucare)
+{
+	return 0;
+}
+
 static inline void mem_cgroup_uncharge(struct page *page)
 {
 }
diff --git a/mm/filemap.c b/mm/filemap.c
index 5b31af9d5b1b..5bdbda965177 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -832,7 +832,6 @@ static int __add_to_page_cache_locked(struct page *page,
 {
 	XA_STATE(xas, &mapping->i_pages, offset);
 	int huge = PageHuge(page);
-	struct mem_cgroup *memcg;
 	int error;
 	void *old;
 
@@ -840,17 +839,16 @@ static int __add_to_page_cache_locked(struct page *page,
 	VM_BUG_ON_PAGE(PageSwapBacked(page), page);
 	mapping_set_update(&xas, mapping);
 
-	if (!huge) {
-		error = mem_cgroup_try_charge(page, current->mm,
-					      gfp_mask, &memcg);
-		if (error)
-			return error;
-	}
-
 	get_page(page);
 	page->mapping = mapping;
 	page->index = offset;
 
+	if (!huge) {
+		error = mem_cgroup_charge(page, current->mm, gfp_mask, false);
+		if (error)
+			goto error;
+	}
+
 	do {
 		xas_lock_irq(&xas);
 		old = xas_load(&xas);
@@ -874,20 +872,18 @@ static int __add_to_page_cache_locked(struct page *page,
 		xas_unlock_irq(&xas);
 	} while (xas_nomem(&xas, gfp_mask & GFP_RECLAIM_MASK));
 
-	if (xas_error(&xas))
+	if (xas_error(&xas)) {
+		error = xas_error(&xas);
 		goto error;
+	}
 
-	if (!huge)
-		mem_cgroup_commit_charge(page, memcg, false);
 	trace_mm_filemap_add_to_page_cache(page);
 	return 0;
 error:
 	page->mapping = NULL;
 	/* Leave page->index set: truncation relies upon it */
-	if (!huge)
-		mem_cgroup_cancel_charge(page, memcg);
 	put_page(page);
-	return xas_error(&xas);
+	return error;
 }
 ALLOW_ERROR_INJECTION(__add_to_page_cache_locked, ERRNO);
 
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 711d6dd5cbb1..b38c0a672d26 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -6577,6 +6577,33 @@ void mem_cgroup_cancel_charge(struct page *page, struct mem_cgroup *memcg)
 	cancel_charge(memcg, nr_pages);
 }
 
+/**
+ * mem_cgroup_charge - charge a newly allocated page to a cgroup
+ * @page: page to charge
+ * @mm: mm context of the victim
+ * @gfp_mask: reclaim mode
+ * @lrucare: page might be on the LRU already
+ *
+ * Try to charge @page to the memcg that @mm belongs to, reclaiming
+ * pages according to @gfp_mask if necessary.
+ *
+ * Returns 0 on success. Otherwise, an error code is returned.
+ */
+int mem_cgroup_charge(struct page *page, struct mm_struct *mm, gfp_t gfp_mask,
+		      bool lrucare)
+{
+	struct mem_cgroup *memcg;
+	int ret;
+
+	VM_BUG_ON_PAGE(!page->mapping, page);
+
+	ret = mem_cgroup_try_charge(page, mm, gfp_mask, &memcg);
+	if (ret)
+		return ret;
+	mem_cgroup_commit_charge(page, memcg, lrucare);
+	return 0;
+}
+
 struct uncharge_gather {
 	struct mem_cgroup *memcg;
 	unsigned long pgpgout;
diff --git a/mm/shmem.c b/mm/shmem.c
index 52c66801321e..2384f6c7ef71 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -605,11 +605,13 @@ static inline bool is_huge_enabled(struct shmem_sb_info *sbinfo)
  */
 static int shmem_add_to_page_cache(struct page *page,
 				   struct address_space *mapping,
-				   pgoff_t index, void *expected, gfp_t gfp)
+				   pgoff_t index, void *expected, gfp_t gfp,
+				   struct mm_struct *charge_mm)
 {
 	XA_STATE_ORDER(xas, &mapping->i_pages, index, compound_order(page));
 	unsigned long i = 0;
 	unsigned long nr = compound_nr(page);
+	int error;
 
 	VM_BUG_ON_PAGE(PageTail(page), page);
 	VM_BUG_ON_PAGE(index != round_down(index, nr), page);
@@ -621,6 +623,16 @@ static int shmem_add_to_page_cache(struct page *page,
 	page->mapping = mapping;
 	page->index = index;
 
+	error = mem_cgroup_charge(page, charge_mm, gfp, PageSwapCache(page));
+	if (error) {
+		if (!PageSwapCache(page) && PageTransHuge(page)) {
+			count_vm_event(THP_FILE_FALLBACK);
+			count_vm_event(THP_FILE_FALLBACK_CHARGE);
+		}
+		goto error;
+	}
+	cgroup_throttle_swaprate(page, gfp);
+
 	do {
 		void *entry;
 		xas_lock_irq(&xas);
@@ -648,12 +660,15 @@ static int shmem_add_to_page_cache(struct page *page,
 	} while (xas_nomem(&xas, gfp));
 
 	if (xas_error(&xas)) {
-		page->mapping = NULL;
-		page_ref_sub(page, nr);
-		return xas_error(&xas);
+		error = xas_error(&xas);
+		goto error;
 	}
 
 	return 0;
+error:
+	page->mapping = NULL;
+	page_ref_sub(page, nr);
+	return error;
 }
 
 /*
@@ -1619,7 +1634,6 @@ static int shmem_swapin_page(struct inode *inode, pgoff_t index,
 	struct address_space *mapping = inode->i_mapping;
 	struct shmem_inode_info *info = SHMEM_I(inode);
 	struct mm_struct *charge_mm = vma ? vma->vm_mm : current->mm;
-	struct mem_cgroup *memcg;
 	struct page *page;
 	swp_entry_t swap;
 	int error;
@@ -1664,29 +1678,22 @@ static int shmem_swapin_page(struct inode *inode, pgoff_t index,
 			goto failed;
 	}
 
-	error = mem_cgroup_try_charge_delay(page, charge_mm, gfp, &memcg);
-	if (!error) {
-		error = shmem_add_to_page_cache(page, mapping, index,
-						swp_to_radix_entry(swap), gfp);
-		/*
-		 * We already confirmed swap under page lock, and make
-		 * no memory allocation here, so usually no possibility
-		 * of error; but free_swap_and_cache() only trylocks a
-		 * page, so it is just possible that the entry has been
-		 * truncated or holepunched since swap was confirmed.
-		 * shmem_undo_range() will have done some of the
-		 * unaccounting, now delete_from_swap_cache() will do
-		 * the rest.
-		 */
-		if (error) {
-			mem_cgroup_cancel_charge(page, memcg);
-			delete_from_swap_cache(page);
-		}
-	}
-	if (error)
+	error = shmem_add_to_page_cache(page, mapping, index,
+					swp_to_radix_entry(swap), gfp,
+					charge_mm);
+	/*
+	 * We already confirmed swap under page lock, and make no
+	 * memory allocation here, so usually no possibility of error;
+	 * but free_swap_and_cache() only trylocks a page, so it is
+	 * just possible that the entry has been truncated or
+	 * holepunched since swap was confirmed.  shmem_undo_range()
+	 * will have done some of the unaccounting, now
+	 * delete_from_swap_cache() will do the rest.
+	 */
+	if (error) {
+		delete_from_swap_cache(page);
 		goto failed;
-
-	mem_cgroup_commit_charge(page, memcg, true);
+	}
 
 	spin_lock_irq(&info->lock);
 	info->swapped--;
@@ -1733,7 +1740,6 @@ static int shmem_getpage_gfp(struct inode *inode, pgoff_t index,
 	struct shmem_inode_info *info = SHMEM_I(inode);
 	struct shmem_sb_info *sbinfo;
 	struct mm_struct *charge_mm;
-	struct mem_cgroup *memcg;
 	struct page *page;
 	enum sgp_type sgp_huge = sgp;
 	pgoff_t hindex = index;
@@ -1858,21 +1864,11 @@ static int shmem_getpage_gfp(struct inode *inode, pgoff_t index,
 	if (sgp == SGP_WRITE)
 		__SetPageReferenced(page);
 
-	error = mem_cgroup_try_charge_delay(page, charge_mm, gfp, &memcg);
-	if (error) {
-		if (PageTransHuge(page)) {
-			count_vm_event(THP_FILE_FALLBACK);
-			count_vm_event(THP_FILE_FALLBACK_CHARGE);
-		}
-		goto unacct;
-	}
 	error = shmem_add_to_page_cache(page, mapping, hindex,
-					NULL, gfp & GFP_RECLAIM_MASK);
-	if (error) {
-		mem_cgroup_cancel_charge(page, memcg);
+					NULL, gfp & GFP_RECLAIM_MASK,
+					charge_mm);
+	if (error)
 		goto unacct;
-	}
-	mem_cgroup_commit_charge(page, memcg, false);
 	lru_cache_add_anon(page);
 
 	spin_lock_irq(&info->lock);
@@ -2307,7 +2303,6 @@ static int shmem_mfill_atomic_pte(struct mm_struct *dst_mm,
 	struct address_space *mapping = inode->i_mapping;
 	gfp_t gfp = mapping_gfp_mask(mapping);
 	pgoff_t pgoff = linear_page_index(dst_vma, dst_addr);
-	struct mem_cgroup *memcg;
 	spinlock_t *ptl;
 	void *page_kaddr;
 	struct page *page;
@@ -2357,16 +2352,10 @@ static int shmem_mfill_atomic_pte(struct mm_struct *dst_mm,
 	if (unlikely(offset >= max_off))
 		goto out_release;
 
-	ret = mem_cgroup_try_charge_delay(page, dst_mm, gfp, &memcg);
-	if (ret)
-		goto out_release;
-
 	ret = shmem_add_to_page_cache(page, mapping, pgoff, NULL,
-						gfp & GFP_RECLAIM_MASK);
+				      gfp & GFP_RECLAIM_MASK, dst_mm);
 	if (ret)
-		goto out_release_uncharge;
-
-	mem_cgroup_commit_charge(page, memcg, false);
+		goto out_release;
 
 	_dst_pte = mk_pte(page, dst_vma->vm_page_prot);
 	if (dst_vma->vm_flags & VM_WRITE)
@@ -2387,11 +2376,11 @@ static int shmem_mfill_atomic_pte(struct mm_struct *dst_mm,
 	ret = -EFAULT;
 	max_off = DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE);
 	if (unlikely(offset >= max_off))
-		goto out_release_uncharge_unlock;
+		goto out_release_unlock;
 
 	ret = -EEXIST;
 	if (!pte_none(*dst_pte))
-		goto out_release_uncharge_unlock;
+		goto out_release_unlock;
 
 	lru_cache_add_anon(page);
 
@@ -2412,12 +2401,10 @@ static int shmem_mfill_atomic_pte(struct mm_struct *dst_mm,
 	ret = 0;
 out:
 	return ret;
-out_release_uncharge_unlock:
+out_release_unlock:
 	pte_unmap_unlock(dst_pte, ptl);
 	ClearPageDirty(page);
 	delete_from_page_cache(page);
-out_release_uncharge:
-	mem_cgroup_cancel_charge(page, memcg);
 out_release:
 	unlock_page(page);
 	put_page(page);
