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slab: Common definition for the array of kmalloc caches

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Have a common definition fo the kmalloc cache arrays in
SLAB and SLUB

Acked-by: Glauber Costa <glommer@parallels.com>
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
This commit is contained in:
Christoph Lameter
2013-01-10 19:12:17 +00:00
committed by Pekka Enberg
parent 95a05b428c
commit 9425c58e54
6 changed files with 13 additions and 24 deletions
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5
include/linux/slab.h
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@@ -206,6 +206,11 @@ struct kmem_cache {
#define KMALLOC_MIN_SIZE (1 << KMALLOC_SHIFT_LOW)
#endif
extern struct kmem_cache *kmalloc_caches[KMALLOC_SHIFT_HIGH + 1];
#ifdef CONFIG_ZONE_DMA
extern struct kmem_cache *kmalloc_dma_caches[KMALLOC_SHIFT_HIGH + 1];
#endif
/*
* Figure out which kmalloc slab an allocation of a certain size
* belongs to.