Commit 7d550c56 authored Aug 25, 2010 by Christoph Lameter Committed by Pekka Enberg Oct 02, 2010

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: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Pekka 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

		/*

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