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Merge branch 'slub/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6

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* 'slub/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6:
  SLUB: Allow full duplication of kmalloc array for 390
  slub: move kmem_cache_node into it's own cacheline
This commit is contained in:
Linus Torvalds 2010-05-30 12:46:17 -07:00
commit 3b03117c5c
2 changed files with 15 additions and 29 deletions
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11
include/linux/slub_def.h
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@ -75,12 +75,6 @@ struct kmem_cache {
int offset; /* Free pointer offset. */
struct kmem_cache_order_objects oo;
/*
* Avoid an extra cache line for UP, SMP and for the node local to
* struct kmem_cache.
*/
struct kmem_cache_node local_node;
/* Allocation and freeing of slabs */
struct kmem_cache_order_objects max;
struct kmem_cache_order_objects min;
@ -102,6 +96,9 @@ struct kmem_cache {
*/
int remote_node_defrag_ratio;
struct kmem_cache_node *node[MAX_NUMNODES];
#else
/* Avoid an extra cache line for UP */
struct kmem_cache_node local_node;
#endif
};
@ -140,7 +137,7 @@ struct kmem_cache {
#ifdef CONFIG_ZONE_DMA
#define SLUB_DMA __GFP_DMA
/* Reserve extra caches for potential DMA use */
#define KMALLOC_CACHES (2 * SLUB_PAGE_SHIFT - 6)
#define KMALLOC_CACHES (2 * SLUB_PAGE_SHIFT)
#else
/* Disable DMA functionality */
#define SLUB_DMA (__force gfp_t)0