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authorDavid S. Miller <davem@davemloft.net>2010-05-31 05:46:45 -0700
committerDavid S. Miller <davem@davemloft.net>2010-05-31 05:46:45 -0700
commit64960848abd18d0bcde3f53ffa7ed0b631e6b25d (patch)
tree8424a1c550a98ce09f127425fde9b7b5f2f5027a /include/linux/slub_def.h
parent2903037400a26e7c0cc93ab75a7d62abfacdf485 (diff)
parent67a3e12b05e055c0415c556a315a3d3eb637e29e (diff)
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'include/linux/slub_def.h')
-rw-r--r--include/linux/slub_def.h19
1 files changed, 12 insertions, 7 deletions
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index 0249d4175bac..4ba59cfc1f75 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -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
};
@@ -116,6 +113,14 @@ struct kmem_cache {
#define KMALLOC_SHIFT_LOW ilog2(KMALLOC_MIN_SIZE)
+#ifndef ARCH_KMALLOC_MINALIGN
+#define ARCH_KMALLOC_MINALIGN __alignof__(unsigned long long)
+#endif
+
+#ifndef ARCH_SLAB_MINALIGN
+#define ARCH_SLAB_MINALIGN __alignof__(unsigned long long)
+#endif
+
/*
* Maximum kmalloc object size handled by SLUB. Larger object allocations
* are passed through to the page allocator. The page allocator "fastpath"
@@ -132,7 +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