diff options
| author | Randy Dunlap <rdunlap@xenotime.net> | 2006-06-27 02:53:52 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-27 17:32:38 -0700 |
| commit | c9cf55285e87ac423c45d9efca750d3f50234d10 (patch) | |
| tree | d46f3e90fbb38115c25b3315f6280ad65f83a14f /mm/slab.c | |
| parent | e6e5494cb23d1933735ee47cc674ffe1c4afed6f (diff) | |
| download | lwn-c9cf55285e87ac423c45d9efca750d3f50234d10.tar.gz lwn-c9cf55285e87ac423c45d9efca750d3f50234d10.zip | |
[PATCH] add poison.h and patch primary users
Localize poison values into one header file for better documentation and
easier/quicker debugging and so that the same values won't be used for
multiple purposes.
Use these constants in core arch., mm, driver, and fs code.
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Acked-by: Matt Mackall <mpm@selenic.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Andi Kleen <ak@muc.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'mm/slab.c')
| -rw-r--r-- | mm/slab.c | 12 |
1 files changed, 1 insertions, 11 deletions
diff --git a/mm/slab.c b/mm/slab.c index 98ac20bc0de9..47982c2d9f39 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -89,6 +89,7 @@ #include <linux/config.h> #include <linux/slab.h> #include <linux/mm.h> +#include <linux/poison.h> #include <linux/swap.h> #include <linux/cache.h> #include <linux/interrupt.h> @@ -492,17 +493,6 @@ struct kmem_cache { #endif #if DEBUG -/* - * Magic nums for obj red zoning. - * Placed in the first word before and the first word after an obj. - */ -#define RED_INACTIVE 0x5A2CF071UL /* when obj is inactive */ -#define RED_ACTIVE 0x170FC2A5UL /* when obj is active */ - -/* ...and for poisoning */ -#define POISON_INUSE 0x5a /* for use-uninitialised poisoning */ -#define POISON_FREE 0x6b /* for use-after-free poisoning */ -#define POISON_END 0xa5 /* end-byte of poisoning */ /* * memory layout of objects: |