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authorAndrew Morton <akpm@linux-foundation.org>2012-11-30 01:54:27 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2012-11-30 20:51:17 +0400
commita50915394f1fc02c2861d3b7ce7014788aa5066e (patch)
tree4b94679a29fb97db6b5163a4c1345d62dfa6a1e7 /include/linux/gfp.h
parent60cefed485a02bd99b6299dad70666fe49245da7 (diff)
downloadlinux-a50915394f1fc02c2861d3b7ce7014788aa5066e.tar.xz
revert "Revert "mm: remove __GFP_NO_KSWAPD""
It apepars that this patch was innocent, and we hope that "mm: avoid waking kswapd for THP allocations when compaction is deferred or contended" will fix the final kswapd-spinning cause. Cc: Zdenek Kabelac <zkabelac@redhat.com> Cc: Seth Jennings <sjenning@linux.vnet.ibm.com> Cc: Valdis Kletnieks <Valdis.Kletnieks@vt.edu> Cc: Jiri Slaby <jirislaby@gmail.com> Cc: Rik van Riel <riel@redhat.com> Cc: Robert Jennings <rcj@linux.vnet.ibm.com> Cc: Mel Gorman <mgorman@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/gfp.h')
-rw-r--r--include/linux/gfp.h13
1 files changed, 5 insertions, 8 deletions
diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index d0a79678f169..76e1aa206f57 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -30,10 +30,9 @@ struct vm_area_struct;
#define ___GFP_HARDWALL 0x20000u
#define ___GFP_THISNODE 0x40000u
#define ___GFP_RECLAIMABLE 0x80000u
-#define ___GFP_NOTRACK 0x200000u
-#define ___GFP_NO_KSWAPD 0x400000u
-#define ___GFP_OTHER_NODE 0x800000u
-#define ___GFP_WRITE 0x1000000u
+#define ___GFP_NOTRACK 0x100000u
+#define ___GFP_OTHER_NODE 0x200000u
+#define ___GFP_WRITE 0x400000u
/*
* GFP bitmasks..
@@ -86,7 +85,6 @@ 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 */
@@ -96,7 +94,7 @@ struct vm_area_struct;
*/
#define __GFP_NOTRACK_FALSE_POSITIVE (__GFP_NOTRACK)
-#define __GFP_BITS_SHIFT 25 /* Room for N __GFP_FOO bits */
+#define __GFP_BITS_SHIFT 23 /* 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 */
@@ -116,8 +114,7 @@ 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_NO_KSWAPD)
+ __GFP_NOMEMALLOC | __GFP_NORETRY | __GFP_NOWARN)
#ifdef CONFIG_NUMA
#define GFP_THISNODE (__GFP_THISNODE | __GFP_NOWARN | __GFP_NORETRY)