5 files changed, 20 insertions, 13 deletions

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 107f09befe92..9b285da4449b 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1796,7 +1796,7 @@ i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj)
          */
         mapping = obj->base.filp->f_path.dentry->d_inode->i_mapping;
         gfp = mapping_gfp_mask(mapping);
-        gfp |= __GFP_NORETRY | __GFP_NOWARN;
+        gfp |= __GFP_NORETRY | __GFP_NOWARN | __GFP_NO_KSWAPD;
         gfp &= ~(__GFP_IO | __GFP_WAIT);
         for_each_sg(st->sgl, sg, page_count, i) {
                 page = shmem_read_mapping_page_gfp(mapping, i, gfp);
@@ -1809,7 +1809,7 @@ i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj)
                          * our own buffer, now let the real VM do its job and
                          * go down in flames if truly OOM.
                          */
-                        gfp &= ~(__GFP_NORETRY | __GFP_NOWARN);
+                        gfp &= ~(__GFP_NORETRY | __GFP_NOWARN | __GFP_NO_KSWAPD);
                         gfp |= __GFP_IO | __GFP_WAIT;
 
                         i915_gem_shrink_all(dev_priv);
@@ -1817,7 +1817,7 @@ i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj)
                         if (IS_ERR(page))
                                 goto err_pages;
 
-                        gfp |= __GFP_NORETRY | __GFP_NOWARN;
+                        gfp |= __GFP_NORETRY | __GFP_NOWARN | __GFP_NO_KSWAPD;
                         gfp &= ~(__GFP_IO | __GFP_WAIT);
                 }
 
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index 374c46dff7dd..ec794a72975d 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -1077,7 +1077,8 @@ EXPORT_SYMBOL_GPL(mtd_writev);
  * until the request succeeds or until the allocation size falls below
  * the system page size. This attempts to make sure it does not adversely
  * impact system performance, so when allocating more than one page, we
- * ask the memory allocator to avoid re-trying.
+ * ask the memory allocator to avoid re-trying, swapping, writing back
+ * or performing I/O.
  *
  * Note, this function also makes sure that the allocated buffer is aligned to
  * the MTD device's min. I/O unit, i.e. the "mtd->writesize" value.
@@ -1091,7 +1092,8 @@ EXPORT_SYMBOL_GPL(mtd_writev);
  */
 void *mtd_kmalloc_up_to(const struct mtd_info *mtd, size_t *size)
 {
-        gfp_t flags = __GFP_NOWARN | __GFP_WAIT | __GFP_NORETRY;
+        gfp_t flags = __GFP_NOWARN | __GFP_WAIT |
+                       __GFP_NORETRY | __GFP_NO_KSWAPD;
         size_t min_alloc = max_t(size_t, mtd->writesize, PAGE_SIZE);
         void *kbuf;
 
diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index 76e1aa206f57..d0a79678f169 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -30,9 +30,10 @@ struct vm_area_struct;
 #define ___GFP_HARDWALL         0x20000u
 #define ___GFP_THISNODE         0x40000u
 #define ___GFP_RECLAIMABLE      0x80000u
-#define ___GFP_NOTRACK          0x100000u
-#define ___GFP_OTHER_NODE       0x200000u
-#define ___GFP_WRITE            0x400000u
+#define ___GFP_NOTRACK          0x200000u
+#define ___GFP_NO_KSWAPD        0x400000u
+#define ___GFP_OTHER_NODE       0x800000u
+#define ___GFP_WRITE            0x1000000u
 
 /*
  * GFP bitmasks..
@@ -85,6 +86,7 @@ struct vm_area_struct;
 #define __GFP_RECLAIMABLE ((__force gfp_t)___GFP_RECLAIMABLE) /* Page is reclaimable */
 #define __GFP_NOTRACK   ((__force gfp_t)___GFP_NOTRACK)  /* Don't track with kmemcheck */
 
+#define __GFP_NO_KSWAPD ((__force gfp_t)___GFP_NO_KSWAPD)
 #define __GFP_OTHER_NODE ((__force gfp_t)___GFP_OTHER_NODE) /* On behalf of other node */
 #define __GFP_WRITE     ((__force gfp_t)___GFP_WRITE)   /* Allocator intends to dirty page */
 
@@ -94,7 +96,7 @@ struct vm_area_struct;
  */
 #define __GFP_NOTRACK_FALSE_POSITIVE (__GFP_NOTRACK)
 
-#define __GFP_BITS_SHIFT 23     /* Room for N __GFP_FOO bits */
+#define __GFP_BITS_SHIFT 25     /* Room for N __GFP_FOO bits */
 #define __GFP_BITS_MASK ((__force gfp_t)((1 << __GFP_BITS_SHIFT) - 1))
 
 /* This equals 0, but use constants in case they ever change */
@@ -114,7 +116,8 @@ struct vm_area_struct;
                                  __GFP_MOVABLE)
 #define GFP_IOFS        (__GFP_IO | __GFP_FS)
 #define GFP_TRANSHUGE   (GFP_HIGHUSER_MOVABLE | __GFP_COMP | \
-                         __GFP_NOMEMALLOC | __GFP_NORETRY | __GFP_NOWARN)
+                         __GFP_NOMEMALLOC | __GFP_NORETRY | __GFP_NOWARN | \
+                         __GFP_NO_KSWAPD)
 
 #ifdef CONFIG_NUMA
 #define GFP_THISNODE    (__GFP_THISNODE | __GFP_NOWARN | __GFP_NORETRY)
diff --git a/include/trace/events/gfpflags.h b/include/trace/events/gfpflags.h
index 9391706e9254..d6fd8e5b14b7 100644
--- a/include/trace/events/gfpflags.h
+++ b/include/trace/events/gfpflags.h
@@ -36,6 +36,7 @@
         {(unsigned long)__GFP_RECLAIMABLE,      "GFP_RECLAIMABLE"},     \
         {(unsigned long)__GFP_MOVABLE,          "GFP_MOVABLE"},         \
         {(unsigned long)__GFP_NOTRACK,          "GFP_NOTRACK"},         \
+        {(unsigned long)__GFP_NO_KSWAPD,        "GFP_NO_KSWAPD"},       \
         {(unsigned long)__GFP_OTHER_NODE,       "GFP_OTHER_NODE"}       \
         ) : "GFP_NOWAIT"
 
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 8193809f3de0..7e208f0ad68c 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2416,8 +2416,9 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order,
                 goto nopage;
 
 restart:
-        wake_all_kswapd(order, zonelist, high_zoneidx,
-                                        zone_idx(preferred_zone));
+        if (!(gfp_mask & __GFP_NO_KSWAPD))
+                wake_all_kswapd(order, zonelist, high_zoneidx,
+                                                zone_idx(preferred_zone));
 
         /*
          * OK, we're below the kswapd watermark and have kicked background
@@ -2494,7 +2495,7 @@ rebalance:
          * system then fail the allocation instead of entering direct reclaim.
          */
         if ((deferred_compaction || contended_compaction) &&
-            (gfp_mask & (__GFP_MOVABLE|__GFP_REPEAT)) == __GFP_MOVABLE)
+                                                (gfp_mask & __GFP_NO_KSWAPD))
                 goto nopage;
 
         /* Try direct reclaim and then allocating */