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Commit 7d550c56 authored by Christoph Lameter's avatar Christoph Lameter Committed by Pekka Enberg
Browse files

slub: Add dummy functions for the !SLUB_DEBUG case 



On Wed, 25 Aug 2010, Randy Dunlap wrote:
> mm/slub.c:1732: error: implicit declaration of function 'slab_pre_alloc_hook'
> mm/slub.c:1751: error: implicit declaration of function 'slab_post_alloc_hook'
> mm/slub.c:1881: error: implicit declaration of function 'slab_free_hook'
> mm/slub.c:1886: error: implicit declaration of function 'slab_free_hook_irq'

Empty functions are missing if the runtime debuggability option is compiled
out.

Provide the fall back functions to empty hooks if SLUB_DEBUG is not set.

Acked-by: default avatarRandy Dunlap <randy.dunlap@oracle.com>
Acked-by: default avatarDavid Rientjes <rientjes@google.com>
Signed-off-by: default avatarChristoph Lameter <cl@linux.com>
Signed-off-by: default avatarPekka Enberg <penberg@kernel.org>
parent 8df275af

mm/slub.c

+12 −0
Original line number Diff line number Diff line
@@ -1098,6 +1098,18 @@ static inline void inc_slabs_node(struct kmem_cache *s, int node, 
							int objects) {}

static inline void dec_slabs_node(struct kmem_cache *s, int node,

							int objects) {}



static inline int slab_pre_alloc_hook(struct kmem_cache *s, gfp_t flags)

							{ return 0; }



static inline void slab_post_alloc_hook(struct kmem_cache *s, gfp_t flags,

		void *object) {}



static inline void slab_free_hook(struct kmem_cache *s, void *x) {}



static inline void slab_free_hook_irq(struct kmem_cache *s,

		void *object) {}



#endif



/*