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authorChristoph Lameter <clameter@sgi.com>2008-01-07 23:20:31 -0800
committerChristoph Lameter <clameter@sgi.com>2008-02-04 10:56:03 -0800
commitda89b79ed06bac8e9b5b6874d4efc5382e1091de (patch)
tree17cdde891b893f0bbad296cbd1cf12eb0d37b3b4
parentba84c73c7ae21fc891a3c2576fa3be42752fce53 (diff)
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Explain kmem_cache_cpu fields
Add some comments explaining the fields of the kmem_cache_cpu structure. Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
-rw-r--r--include/linux/slub_def.h10
1 files changed, 5 insertions, 5 deletions
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index a06ee26..ddb1a70 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -12,11 +12,11 @@
#include <linux/kobject.h>
struct kmem_cache_cpu {
- void **freelist;
- struct page *page;
- int node;
- unsigned int offset;
- unsigned int objsize;
+ void **freelist; /* Pointer to first free per cpu object */
+ struct page *page; /* The slab from which we are allocating */
+ int node; /* The node of the page (or -1 for debug) */
+ unsigned int offset; /* Freepointer offset (in word units) */
+ unsigned int objsize; /* Size of an object (from kmem_cache) */
};
struct kmem_cache_node {