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slab: Only define slab_error for DEBUG

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On Tue, 11 Sep 2012, Stephen Rothwell wrote:
> After merging the final tree, today's linux-next build (sparc64 defconfig)
> produced this warning:
>
> mm/slab.c:808:13: warning: '__slab_error' defined but not used [-Wunused-function]
>
> Introduced by commit 945cf2b619 ("mm/sl[aou]b: Extract a common
> function for kmem_cache_destroy").  All uses of slab_error() are now
> guarded by DEBUG.

There is no use case left for slab builds without DEBUG.

Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
This commit is contained in:
Christoph Lameter 2012-09-11 19:49:38 +00:00 committed by Pekka Enberg
parent 9df53b154a
commit f28510d30c
1 changed files with 2 additions and 0 deletions
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mm/slab.c
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@ -803,6 +803,7 @@ static void cache_estimate(unsigned long gfporder, size_t buffer_size,
*left_over = slab_size - nr_objs*buffer_size - mgmt_size;
}
#if DEBUG
#define slab_error(cachep, msg) __slab_error(__func__, cachep, msg)
static void __slab_error(const char *function, struct kmem_cache *cachep,
@ -812,6 +813,7 @@ static void __slab_error(const char *function, struct kmem_cache *cachep,
function, cachep->name, msg);
dump_stack();
}
#endif
/*
* By default on NUMA we use alien caches to stage the freeing of