From da89b79ed06bac8e9b5b6874d4efc5382e1091de Mon Sep 17 00:00:00 2001
From: Christoph Lameter <clameter@sgi.com>
Date: Mon, 7 Jan 2008 23:20:31 -0800
Subject: [PATCH] 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>
---
include/linux/slub_def.h | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index a06ee26193c24..ddb1a706b1440 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 {
--
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