[cpuops cmpxchg double V3 1/5] slub: min_partial needs to be in first cacheline

[Christoph Lameter <cl@linux.com>]

[-- Attachment #1: slub_min_partial_first_cacheline --]
[-- Type: text/plain, Size: 1103 bytes --]

It is used in unfreeze_slab() which is a performance critical
function.

Signed-off-by: Christoph Lameter <cl@linux.com>

---
 include/linux/slub_def.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux-2.6/include/linux/slub_def.h
===================================================================
--- linux-2.6.orig/include/linux/slub_def.h	2011-01-28 11:57:29.000000000 -0600
+++ linux-2.6/include/linux/slub_def.h	2011-01-28 11:57:52.000000000 -0600
@@ -70,6 +70,7 @@ struct kmem_cache {
 	struct kmem_cache_cpu __percpu *cpu_slab;
 	/* Used for retriving partial slabs etc */
 	unsigned long flags;
+	unsigned long min_partial;
 	int size;		/* The size of an object including meta data */
 	int objsize;		/* The size of an object without meta data */
 	int offset;		/* Free pointer offset. */
@@ -83,7 +84,6 @@ struct kmem_cache {
 	void (*ctor)(void *);
 	int inuse;		/* Offset to metadata */
 	int align;		/* Alignment */
-	unsigned long min_partial;
 	const char *name;	/* Name (only for display!) */
 	struct list_head list;	/* List of slab caches */
 #ifdef CONFIG_SYSFS