On 08/25/10 12:07, Christoph Lameter wrote:
> 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@xxxxxxxxx>
Acked-by: Randy Dunlap <randy.dunlap@xxxxxxxxxx>
Thanks.
> ---
> 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
>
> /*
--
~Randy
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