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| author | Thomas Gleixner <tglx@linutronix.de> | 2008-04-30 00:54:59 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-30 08:29:53 -0700 |
| commit | 30327acf7846c5eb97c8e31c78317a2918d3e515 (patch) | |
| tree | b4844dfd9cd85b9fc49c91b4b7e64eebac87167c | |
| parent | 145980a0b07520f0f82cc40999acc92b349ea40c (diff) | |
| download | op-kernel-dev-30327acf7846c5eb97c8e31c78317a2918d3e515.zip op-kernel-dev-30327acf7846c5eb97c8e31c78317a2918d3e515.tar.gz | |
slab: add a flag to prevent debug_free checks on a kmem_cache
This is a preperatory patch for the debugobjects infrastructure. The flag
prevents debug_free checks on kmem_caches. This is necessary to avoid
resursive calls into a debug mechanism which uses a kmem_cache itself.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Ingo Molnar <mingo@elte.hu>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | include/linux/slab.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/slab.h b/include/linux/slab.h index f62caaa..6d03c95 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -29,6 +29,13 @@ #define SLAB_MEM_SPREAD 0x00100000UL /* Spread some memory over cpuset */ #define SLAB_TRACE 0x00200000UL /* Trace allocations and frees */ +/* Flag to prevent checks on free */ +#ifdef CONFIG_DEBUG_OBJECTS +# define SLAB_DEBUG_OBJECTS 0x00400000UL +#else +# define SLAB_DEBUG_OBJECTS 0x00000000UL +#endif + /* The following flags affect the page allocator grouping pages by mobility */ #define SLAB_RECLAIM_ACCOUNT 0x00020000UL /* Objects are reclaimable */ #define SLAB_TEMPORARY SLAB_RECLAIM_ACCOUNT /* Objects are short-lived */ |
