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mm: fault-inject take over bootstrap kmem_cache check

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Remove the SLAB specific function slab_should_failslab(), by moving the
check against fault-injection for the bootstrap slab, into the shared
function should_failslab() (used by both SLAB and SLUB).

This is a step towards sharing alloc_hook's between SLUB and SLAB.

This bootstrap slab "kmem_cache" is used for allocating struct
kmem_cache objects to the allocator itself.

Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Vladimir Davydov <vdavydov@virtuozzo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jesper Dangaard Brouer 2016-03-15 14:53:38 -07:00 • committed by Linus Torvalds
parent 11c7aec2a9
commit fab9963a69
4 changed files with 14 additions and 17 deletions
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5
include/linux/fault-inject.h
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@ -62,10 +62,9 @@ static inline struct dentry *fault_create_debugfs_attr(const char *name,
#endif /* CONFIG_FAULT_INJECTION */
#ifdef CONFIG_FAILSLAB
extern bool should_failslab(size_t size, gfp_t gfpflags, unsigned long flags);
extern bool should_failslab(struct kmem_cache *s, gfp_t gfpflags);
#else
static inline bool should_failslab(size_t size, gfp_t gfpflags,
unsigned long flags)
static inline bool should_failslab(struct kmem_cache *s, gfp_t gfpflags)
{
return false;
}