diff --git a/Documentation/vm/balance.rst b/Documentation/vm/balance.rst
index 6a1fadf3e173..e38e9d83c1c7 100644
--- a/Documentation/vm/balance.rst
+++ b/Documentation/vm/balance.rst
@@ -6,7 +6,7 @@ Memory Balancing
 
 Started Jan 2000 by Kanoj Sarcar <kanoj@sgi.com>
 
-Memory balancing is needed for !__GFP_ATOMIC and !__GFP_KSWAPD_RECLAIM as
+Memory balancing is needed for !__GFP_HIGH and !__GFP_KSWAPD_RECLAIM as
 well as for non __GFP_IO allocations.
 
 The first reason why a caller may avoid reclaim is that the caller can not
diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c
index e900e3c46903..c5fa8b8673b6 100644
--- a/drivers/iommu/tegra-smmu.c
+++ b/drivers/iommu/tegra-smmu.c
@@ -676,12 +676,12 @@ static struct page *as_get_pde_page(struct tegra_smmu_as *as,
 	 * allocate page in a sleeping context if GFP flags permit. Hence
 	 * spinlock needs to be unlocked and re-locked after allocation.
 	 */
-	if (!(gfp & __GFP_ATOMIC))
+	if (gfp & __GFP_DIRECT_RECLAIM)
 		spin_unlock_irqrestore(&as->lock, *flags);
 
 	page = alloc_page(gfp | __GFP_DMA | __GFP_ZERO);
 
-	if (!(gfp & __GFP_ATOMIC))
+	if (gfp & __GFP_DIRECT_RECLAIM)
 		spin_lock_irqsave(&as->lock, *flags);
 
 	/*
diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index b976c4177299..676c813bd93f 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -39,7 +39,7 @@ struct vm_area_struct;
 #define ___GFP_IO		0x40u
 #define ___GFP_FS		0x80u
 #define ___GFP_ZERO		0x100u
-#define ___GFP_ATOMIC		0x200u
+/* 0x200u unused */
 #define ___GFP_DIRECT_RECLAIM	0x400u
 #define ___GFP_KSWAPD_RECLAIM	0x800u
 #define ___GFP_WRITE		0x1000u
@@ -116,11 +116,8 @@ struct vm_area_struct;
  *
  * %__GFP_HIGH indicates that the caller is high-priority and that granting
  * the request is necessary before the system can make forward progress.
- * For example, creating an IO context to clean pages.
- *
- * %__GFP_ATOMIC indicates that the caller cannot reclaim or sleep and is
- * high priority. Users are typically interrupt handlers. This may be
- * used in conjunction with %__GFP_HIGH
+ * For example creating an IO context to clean pages and requests
+ * from atomic context.
  *
  * %__GFP_MEMALLOC allows access to all memory. This should only be used when
  * the caller guarantees the allocation will allow more memory to be freed
@@ -135,7 +132,6 @@ struct vm_area_struct;
  * %__GFP_NOMEMALLOC is used to explicitly forbid access to emergency reserves.
  * This takes precedence over the %__GFP_MEMALLOC flag if both are set.
  */
-#define __GFP_ATOMIC	((__force gfp_t)___GFP_ATOMIC)
 #define __GFP_HIGH	((__force gfp_t)___GFP_HIGH)
 #define __GFP_MEMALLOC	((__force gfp_t)___GFP_MEMALLOC)
 #define __GFP_NOMEMALLOC ((__force gfp_t)___GFP_NOMEMALLOC)
@@ -320,7 +316,7 @@ struct vm_area_struct;
  * version does not attempt reclaim/compaction at all and is by default used
  * in page fault path, while the non-light is used by khugepaged.
  */
-#define GFP_ATOMIC	(__GFP_HIGH|__GFP_ATOMIC|__GFP_KSWAPD_RECLAIM)
+#define GFP_ATOMIC	(__GFP_HIGH|__GFP_KSWAPD_RECLAIM)
 #define GFP_KERNEL	(__GFP_RECLAIM | __GFP_IO | __GFP_FS)
 #define GFP_KERNEL_ACCOUNT (GFP_KERNEL | __GFP_ACCOUNT)
 #define GFP_NOWAIT	(__GFP_KSWAPD_RECLAIM)
diff --git a/include/trace/events/mmflags.h b/include/trace/events/mmflags.h
index 116ed4d5d0f8..30f492256b8c 100644
--- a/include/trace/events/mmflags.h
+++ b/include/trace/events/mmflags.h
@@ -29,7 +29,6 @@
 	{(unsigned long)__GFP_HIGHMEM,		"__GFP_HIGHMEM"},	\
 	{(unsigned long)GFP_DMA32,		"GFP_DMA32"},		\
 	{(unsigned long)__GFP_HIGH,		"__GFP_HIGH"},		\
-	{(unsigned long)__GFP_ATOMIC,		"__GFP_ATOMIC"},	\
 	{(unsigned long)__GFP_IO,		"__GFP_IO"},		\
 	{(unsigned long)__GFP_FS,		"__GFP_FS"},		\
 	{(unsigned long)__GFP_NOWARN,		"__GFP_NOWARN"},	\
diff --git a/lib/test_printf.c b/lib/test_printf.c
index 07309c45f327..8010de49b6c5 100644
--- a/lib/test_printf.c
+++ b/lib/test_printf.c
@@ -673,17 +673,17 @@ flags(void)
 	gfp = GFP_ATOMIC|__GFP_DMA;
 	test("GFP_ATOMIC|GFP_DMA", "%pGg", &gfp);
 
-	gfp = __GFP_ATOMIC;
-	test("__GFP_ATOMIC", "%pGg", &gfp);
+	gfp = __GFP_HIGH;
+	test("__GFP_HIGH", "%pGg", &gfp);
 
 	/* Any flags not translated by the table should remain numeric */
 	gfp = ~__GFP_BITS_MASK;
 	snprintf(cmp_buffer, BUF_SIZE, "%#lx", (unsigned long) gfp);
 	test(cmp_buffer, "%pGg", &gfp);
 
-	snprintf(cmp_buffer, BUF_SIZE, "__GFP_ATOMIC|%#lx",
+	snprintf(cmp_buffer, BUF_SIZE, "__GFP_HIGH|%#lx",
 							(unsigned long) gfp);
-	gfp |= __GFP_ATOMIC;
+	gfp |= __GFP_HIGH;
 	test(cmp_buffer, "%pGg", &gfp);
 
 	kfree(cmp_buffer);
diff --git a/mm/internal.h b/mm/internal.h
index 3b79a5c9427a..4564067065f9 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -20,8 +20,7 @@
  */
 #define GFP_RECLAIM_MASK (__GFP_RECLAIM|__GFP_HIGH|__GFP_IO|__GFP_FS|\
 			__GFP_NOWARN|__GFP_RETRY_MAYFAIL|__GFP_NOFAIL|\
-			__GFP_NORETRY|__GFP_MEMALLOC|__GFP_NOMEMALLOC|\
-			__GFP_ATOMIC)
+			__GFP_NORETRY|__GFP_MEMALLOC|__GFP_NOMEMALLOC)
 
 /* The GFP flags allowed during early boot */
 #define GFP_BOOT_MASK (__GFP_BITS_MASK & ~(__GFP_RECLAIM|__GFP_IO|__GFP_FS))
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 781605e92015..1ff55347e4b9 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -2621,7 +2621,7 @@ static int try_charge_memcg(struct mem_cgroup *memcg, gfp_t gfp_mask,
 	 * put the burden of reclaim on regular allocation requests
 	 * and let these go through as privileged allocations.
 	 */
-	if (gfp_mask & __GFP_ATOMIC)
+	if (gfp_mask & __GFP_HIGH)
 		goto force;
 
 	/*
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index c5952749ad40..4fff90ca145b 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -3932,12 +3932,12 @@ static inline bool zone_watermark_fast(struct zone *z, unsigned int order,
 					free_pages))
 		return true;
 	/*
-	 * Ignore watermark boosting for GFP_ATOMIC order-0 allocations
+	 * Ignore watermark boosting for GFP_HIGH order-0 allocations
 	 * when checking the min watermark. The min watermark is the
 	 * point where boosting is ignored so that kswapd is woken up
 	 * when below the low watermark.
 	 */
-	if (unlikely(!order && (gfp_mask & __GFP_ATOMIC) && z->watermark_boost
+	if (unlikely(!order && (alloc_flags & ALLOC_HARDER) && z->watermark_boost
 		&& ((alloc_flags & ALLOC_WMARK_MASK) == WMARK_MIN))) {
 		mark = z->_watermark[WMARK_MIN];
 		return __zone_watermark_ok(z, order, mark, highest_zoneidx,
@@ -4661,12 +4661,12 @@ gfp_to_alloc_flags(gfp_t gfp_mask)
 	 * The caller may dip into page reserves a bit more if the caller
 	 * cannot run direct reclaim, or if the caller has realtime scheduling
 	 * policy or is asking for __GFP_HIGH memory.  GFP_ATOMIC requests will
-	 * set both ALLOC_HARDER (__GFP_ATOMIC) and ALLOC_HIGH (__GFP_HIGH).
+	 * set both ALLOC_HARDER (unless __GFP_NOMEMALLOC) and ALLOC_HIGH.
 	 */
 	alloc_flags |= (__force int)
 		(gfp_mask & (__GFP_HIGH | __GFP_KSWAPD_RECLAIM));
 
-	if (gfp_mask & __GFP_ATOMIC) {
+	if (gfp_mask & __GFP_HIGH) {
 		/*
 		 * Not worth trying to allocate harder for __GFP_NOMEMALLOC even
 		 * if it can't schedule.
@@ -4859,14 +4859,6 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order,
 	unsigned int cpuset_mems_cookie;
 	int reserve_flags;
 
-	/*
-	 * We also sanity check to catch abuse of atomic reserves being used by
-	 * callers that are not in atomic context.
-	 */
-	if (WARN_ON_ONCE((gfp_mask & (__GFP_ATOMIC|__GFP_DIRECT_RECLAIM)) ==
-				(__GFP_ATOMIC|__GFP_DIRECT_RECLAIM)))
-		gfp_mask &= ~__GFP_ATOMIC;
-
 retry_cpuset:
 	compaction_retries = 0;
 	no_progress_loops = 0;
diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c
index da03a341c63c..17e6eeb6e196 100644
--- a/tools/perf/builtin-kmem.c
+++ b/tools/perf/builtin-kmem.c
@@ -640,7 +640,6 @@ static const struct {
 	{ "__GFP_HIGHMEM",		"HM" },
 	{ "GFP_DMA32",			"D32" },
 	{ "__GFP_HIGH",			"H" },
-	{ "__GFP_ATOMIC",		"_A" },
 	{ "__GFP_IO",			"I" },
 	{ "__GFP_FS",			"F" },
 	{ "__GFP_NOWARN",		"NWR" },
diff --git a/tools/testing/radix-tree/linux/gfp.h b/tools/testing/radix-tree/linux/gfp.h
index 32159c08a52e..0a0741104dfe 100644
--- a/tools/testing/radix-tree/linux/gfp.h
+++ b/tools/testing/radix-tree/linux/gfp.h
@@ -12,7 +12,6 @@
 #define __GFP_FS		0x80u
 #define __GFP_NOWARN		0x200u
 #define __GFP_ZERO		0x8000u
-#define __GFP_ATOMIC		0x80000u
 #define __GFP_ACCOUNT		0x100000u
 #define __GFP_DIRECT_RECLAIM	0x400000u
 #define __GFP_KSWAPD_RECLAIM	0x2000000u
@@ -20,7 +19,7 @@
 #define __GFP_RECLAIM	(__GFP_DIRECT_RECLAIM|__GFP_KSWAPD_RECLAIM)
 
 #define GFP_ZONEMASK	0x0fu
-#define GFP_ATOMIC	(__GFP_HIGH|__GFP_ATOMIC|__GFP_KSWAPD_RECLAIM)
+#define GFP_ATOMIC	(__GFP_HIGH|__GFP_KSWAPD_RECLAIM)
 #define GFP_KERNEL	(__GFP_RECLAIM | __GFP_IO | __GFP_FS)
 #define GFP_NOWAIT	(__GFP_KSWAPD_RECLAIM)
 
