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| author | Laura Abbott <labbott@fedoraproject.org> | 2016-03-15 14:55:06 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-03-15 16:55:16 -0700 |
| commit | becfda68abca673d61d5cc953e8e099816db99d9 (patch) | |
| tree | f6d1850b3dd589464cc93145eb0ad02c8f4f89b1 /include/linux/slab.h | |
| parent | 804aa132d341cc5838b710e62de02d62e6ad0185 (diff) | |
| download | linux-becfda68abca673d61d5cc953e8e099816db99d9.tar.gz linux-becfda68abca673d61d5cc953e8e099816db99d9.tar.bz2 linux-becfda68abca673d61d5cc953e8e099816db99d9.zip | |
slub: convert SLAB_DEBUG_FREE to SLAB_CONSISTENCY_CHECKS
SLAB_DEBUG_FREE allows expensive consistency checks at free to be turned
on or off. Expand its use to be able to turn off all consistency
checks. This gives a nice speed up if you only want features such as
poisoning or tracing.
Credit to Mathias Krause for the original work which inspired this
series
Signed-off-by: Laura Abbott <labbott@fedoraproject.org>
Acked-by: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <js1304@gmail.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Mathias Krause <minipli@googlemail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/slab.h')
| -rw-r--r-- | include/linux/slab.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/slab.h b/include/linux/slab.h index 5d49f0c60dcb..e4b568738ca3 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -20,7 +20,7 @@ * Flags to pass to kmem_cache_create(). * The ones marked DEBUG are only valid if CONFIG_DEBUG_SLAB is set. */ -#define SLAB_DEBUG_FREE 0x00000100UL /* DEBUG: Perform (expensive) checks on free */ +#define SLAB_CONSISTENCY_CHECKS 0x00000100UL /* DEBUG: Perform (expensive) checks on alloc/free */ #define SLAB_RED_ZONE 0x00000400UL /* DEBUG: Red zone objs in a cache */ #define SLAB_POISON 0x00000800UL /* DEBUG: Poison objects */ #define SLAB_HWCACHE_ALIGN 0x00002000UL /* Align objs on cache lines */ |