The patch titled
Slab allocators: remove useless __GFP_NO_GROW flag
has been removed from the -mm tree. Its filename was
slab-allocators-remove-useless-__gfp_no_grow-flag.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
Subject: Slab allocators: remove useless __GFP_NO_GROW flag
From: Christoph Lameter <clameter@xxxxxxx>
There is no user remaining and I have never seen any use of that flag.
Signed-off-by: Christoph Lameter <clameter@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/gfp.h | 3 +--
mm/slab.c | 6 ++----
2 files changed, 3 insertions(+), 6 deletions(-)
diff -puN include/linux/gfp.h~slab-allocators-remove-useless-__gfp_no_grow-flag include/linux/gfp.h
--- a/include/linux/gfp.h~slab-allocators-remove-useless-__gfp_no_grow-flag
+++ a/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 -puN mm/slab.c~slab-allocators-remove-useless-__gfp_no_grow-flag mm/slab.c
--- a/mm/slab.c~slab-allocators-remove-useless-__gfp_no_grow-flag
+++ a/mm/slab.c
@@ -2746,9 +2746,7 @@ static int cache_grow(struct kmem_cache
* 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 -puN /dev/null /dev/null
_
Patches currently in -mm which might be from clameter@xxxxxxx are
origin.patch
quicklist-support-for-ia64.patch
quicklist-support-for-x86_64.patch
slub-exploit-page-mobility-to-increase-allocation-order.patch
slub-mm-only-make-slub-the-default-slab-allocator.patch
slub-i386-support.patch
remove-constructor-from-buffer_head.patch
slab-shutdown-cache_reaper-when-cpu-goes-down.patch
mm-implement-swap-prefetching.patch
revoke-core-code-slab-allocators-remove-slab_debug_initial-flag-revoke.patch
vmstat-use-our-own-timer-events.patch
make-vm-statistics-update-interval-configurable.patch
make-vm-statistics-update-interval-configurable-fix.patch
readahead-state-based-method-aging-accounting.patch
-
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