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| author | Chengming Zhou <chengming.zhou@linux.dev> | 2024-06-07 16:40:14 +0800 |
|---|---|---|
| committer | Vlastimil Babka <vbabka@suse.cz> | 2024-06-24 21:41:41 +0200 |
| commit | 4a24bbabc826eaba6f94a9741712117b8e2b0587 (patch) | |
| tree | c0d62b3fd5152cbf0afe92addf85972e25880346 | |
| parent | adef2aeaa2b936c97865d56c59be2cb7266acbb7 (diff) | |
| download | lwn-4a24bbabc826eaba6f94a9741712117b8e2b0587.tar.gz lwn-4a24bbabc826eaba6f94a9741712117b8e2b0587.zip | |
slab: delete useless RED_INACTIVE and RED_ACTIVE
These seem useless since we use the SLUB_RED_INACTIVE and SLUB_RED_ACTIVE,
so just delete them, no functional change.
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Chengming Zhou <chengming.zhou@linux.dev>
Reviewed-by: Christoph Lameter (Ampere) <cl@linux.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
| -rw-r--r-- | include/linux/poison.h | 7 | ||||
| -rw-r--r-- | mm/slub.c | 4 | ||||
| -rw-r--r-- | tools/include/linux/poison.h | 7 |
3 files changed, 6 insertions, 12 deletions
diff --git a/include/linux/poison.h b/include/linux/poison.h index 1f0ee2459f2a..9c1a035af97c 100644 --- a/include/linux/poison.h +++ b/include/linux/poison.h @@ -38,11 +38,8 @@ * Magic nums for obj red zoning. * Placed in the first word before and the first word after an obj. */ -#define RED_INACTIVE 0x09F911029D74E35BULL /* when obj is inactive */ -#define RED_ACTIVE 0xD84156C5635688C0ULL /* when obj is active */ - -#define SLUB_RED_INACTIVE 0xbb -#define SLUB_RED_ACTIVE 0xcc +#define SLUB_RED_INACTIVE 0xbb /* when obj is inactive */ +#define SLUB_RED_ACTIVE 0xcc /* when obj is active */ /* ...and for poisoning */ #define POISON_INUSE 0x5a /* for use-uninitialised poisoning */ diff --git a/mm/slub.c b/mm/slub.c index 5fc052a4f38f..3d19a0ee411f 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -1228,8 +1228,8 @@ skip_bug_print: * Padding is extended by another word if Redzoning is enabled and * object_size == inuse. * - * We fill with 0xbb (RED_INACTIVE) for inactive objects and with - * 0xcc (RED_ACTIVE) for objects in use. + * We fill with 0xbb (SLUB_RED_INACTIVE) for inactive objects and with + * 0xcc (SLUB_RED_ACTIVE) for objects in use. * * object + s->inuse * Meta data starts here. diff --git a/tools/include/linux/poison.h b/tools/include/linux/poison.h index 2e6338ac5eed..e530e54046c9 100644 --- a/tools/include/linux/poison.h +++ b/tools/include/linux/poison.h @@ -47,11 +47,8 @@ * Magic nums for obj red zoning. * Placed in the first word before and the first word after an obj. */ -#define RED_INACTIVE 0x09F911029D74E35BULL /* when obj is inactive */ -#define RED_ACTIVE 0xD84156C5635688C0ULL /* when obj is active */ - -#define SLUB_RED_INACTIVE 0xbb -#define SLUB_RED_ACTIVE 0xcc +#define SLUB_RED_INACTIVE 0xbb /* when obj is inactive */ +#define SLUB_RED_ACTIVE 0xcc /* when obj is active */ /* ...and for poisoning */ #define POISON_INUSE 0x5a /* for use-uninitialised poisoning */ |