Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=cfce66047f1893cb7d3abb0d53e65cbbd8d605f0
Commit: cfce66047f1893cb7d3abb0d53e65cbbd8d605f0
Parent: 4f104934591ed98534b3a4c3d17d972b790e9c42
Author: Christoph Lameter <[EMAIL PROTECTED]>
AuthorDate: Sun May 6 14:50:17 2007 -0700
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Mon May 7 12:12:57 2007 -0700
Slab allocators: remove useless __GFP_NO_GROW flag
There is no user remaining and I have never seen any use of that flag.
Signed-off-by: Christoph Lameter <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
include/linux/gfp.h | 3 +--
mm/slab.c | 6 ++----
mm/slub.c | 3 ---
3 files changed, 3 insertions(+), 9 deletions(-)
diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index 2a7d15b..97a36c3 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -40,7 +40,6 @@ struct vm_area_struct;
#define __GFP_REPEAT ((__force gfp_t)0x400u) /* Retry the allocation. Might
fail */
#define __GFP_NOFAIL ((__force gfp_t)0x800u) /* Retry for ever. Cannot fail
*/
#define __GFP_NORETRY ((__force gfp_t)0x1000u)/* Do not retry. Might fail */
-#define __GFP_NO_GROW ((__force gfp_t)0x2000u)/* Slab internal usage */
#define __GFP_COMP ((__force gfp_t)0x4000u)/* Add compound page metadata */
#define __GFP_ZERO ((__force gfp_t)0x8000u)/* Return zeroed page on
success */
#define __GFP_NOMEMALLOC ((__force gfp_t)0x10000u) /* Don't use emergency
reserves */
@@ -53,7 +52,7 @@ struct vm_area_struct;
/* if you forget to add the bitmask here kernel will crash, period */
#define GFP_LEVEL_MASK (__GFP_WAIT|__GFP_HIGH|__GFP_IO|__GFP_FS| \
__GFP_COLD|__GFP_NOWARN|__GFP_REPEAT| \
- __GFP_NOFAIL|__GFP_NORETRY|__GFP_NO_GROW|__GFP_COMP| \
+ __GFP_NOFAIL|__GFP_NORETRY|__GFP_COMP| \
__GFP_NOMEMALLOC|__GFP_HARDWALL|__GFP_THISNODE)
/* This equals 0, but use constants in case they ever change */
diff --git a/mm/slab.c b/mm/slab.c
index 52ecf75..5920a41 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -2746,9 +2746,7 @@ static int cache_grow(struct kmem_cache *cachep,
* Be lazy and only check for valid flags here, keeping it out of the
* critical path in kmem_cache_alloc().
*/
- BUG_ON(flags & ~(GFP_DMA | GFP_LEVEL_MASK | __GFP_NO_GROW));
- if (flags & __GFP_NO_GROW)
- return 0;
+ BUG_ON(flags & ~(GFP_DMA | GFP_LEVEL_MASK));
ctor_flags = SLAB_CTOR_CONSTRUCTOR;
local_flags = (flags & GFP_LEVEL_MASK);
@@ -3252,7 +3250,7 @@ retry:
flags | GFP_THISNODE, nid);
}
- if (!obj && !(flags & __GFP_NO_GROW)) {
+ if (!obj) {
/*
* This allocation will be performed within the constraints
* of the current cpuset / memory policy requirements.
diff --git a/mm/slub.c b/mm/slub.c
index 347e448..a632348 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -815,9 +815,6 @@ static struct page *new_slab(struct kmem_cache *s, gfp_t
flags, int node)
void *last;
void *p;
- if (flags & __GFP_NO_GROW)
- return NULL;
-
BUG_ON(flags & ~(GFP_DMA | GFP_LEVEL_MASK));
if (flags & __GFP_WAIT)
-
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