Messages in this thread Patch in this message | | | Date | Wed, 25 Aug 2010 14:07:16 -0500 (CDT) | From | Christoph Lameter <> | Subject | Re: linux-next: Tree for August 25 (mm/slub) |
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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.
Subject: slub: Add dummy functions for the !SLUB_DEBUG case
Provide the fall back functions to empty hooks if SLUB_DEBUG is not set.
Signed-off-by: Christoph Lameter <cl@linux.com>
--- mm/slub.c | 12 ++++++++++++ 1 file changed, 12 insertions(+)
Index: linux-2.6/mm/slub.c =================================================================== --- linux-2.6.orig/mm/slub.c 2010-08-25 14:02:43.000000000 -0500 +++ linux-2.6/mm/slub.c 2010-08-25 14:04:23.000000000 -0500 @@ -1098,6 +1098,18 @@ static inline void inc_slabs_node(struct 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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