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authorChristoph Lameter <cl@linux.com>2011-08-09 16:12:24 -0500
committerPekka Enberg <penberg@kernel.org>2011-08-19 19:34:26 +0300
commite6e82ea1127d899af7eee876f1c1103716d13772 (patch)
tree76325c985e7265dd5dff9b37b785fa17b7630b03
parent7db0d7054048da140798d8bfdd7fff5f74f85abf (diff)
downloadop-kernel-dev-e6e82ea1127d899af7eee876f1c1103716d13772.zip
op-kernel-dev-e6e82ea1127d899af7eee876f1c1103716d13772.tar.gz
slub: Prepare inuse field in new_slab()
inuse will always be set to page->objects. There is no point in initializing the field to zero in new_slab() and then overwriting the value in __slab_alloc(). Signed-off-by: Christoph Lameter <cl@linux.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>
-rw-r--r--mm/slub.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/mm/slub.c b/mm/slub.c
index d4b76be..83bb81d 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1447,7 +1447,7 @@ static struct page *new_slab(struct kmem_cache *s, gfp_t flags, int node)
set_freepointer(s, last, NULL);
page->freelist = start;
- page->inuse = 0;
+ page->inuse = page->objects;
page->frozen = 1;
out:
return page;
@@ -2139,7 +2139,6 @@ new_slab:
*/
object = page->freelist;
page->freelist = NULL;
- page->inuse = page->objects;
stat(s, ALLOC_SLAB);
c->node = page_to_nid(page);
@@ -2681,7 +2680,7 @@ static void early_kmem_cache_node_alloc(int node)
n = page->freelist;
BUG_ON(!n);
page->freelist = get_freepointer(kmem_cache_node, n);
- page->inuse++;
+ page->inuse = 1;
page->frozen = 0;
kmem_cache_node->node[node] = n;
#ifdef CONFIG_SLUB_DEBUG
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