diff options
author | Christoph Lameter <cl@linux.com> | 2011-08-09 17:12:24 -0400 |
---|---|---|
committer | Pekka Enberg <penberg@kernel.org> | 2011-08-19 12:34:26 -0400 |
commit | e6e82ea1127d899af7eee876f1c1103716d13772 (patch) | |
tree | 76325c985e7265dd5dff9b37b785fa17b7630b03 | |
parent | 7db0d7054048da140798d8bfdd7fff5f74f85abf (diff) |
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.c | 5 |
1 files changed, 2 insertions, 3 deletions
@@ -1447,7 +1447,7 @@ static struct page *new_slab(struct kmem_cache *s, gfp_t flags, int node) | |||
1447 | set_freepointer(s, last, NULL); | 1447 | set_freepointer(s, last, NULL); |
1448 | 1448 | ||
1449 | page->freelist = start; | 1449 | page->freelist = start; |
1450 | page->inuse = 0; | 1450 | page->inuse = page->objects; |
1451 | page->frozen = 1; | 1451 | page->frozen = 1; |
1452 | out: | 1452 | out: |
1453 | return page; | 1453 | return page; |
@@ -2139,7 +2139,6 @@ new_slab: | |||
2139 | */ | 2139 | */ |
2140 | object = page->freelist; | 2140 | object = page->freelist; |
2141 | page->freelist = NULL; | 2141 | page->freelist = NULL; |
2142 | page->inuse = page->objects; | ||
2143 | 2142 | ||
2144 | stat(s, ALLOC_SLAB); | 2143 | stat(s, ALLOC_SLAB); |
2145 | c->node = page_to_nid(page); | 2144 | c->node = page_to_nid(page); |
@@ -2681,7 +2680,7 @@ static void early_kmem_cache_node_alloc(int node) | |||
2681 | n = page->freelist; | 2680 | n = page->freelist; |
2682 | BUG_ON(!n); | 2681 | BUG_ON(!n); |
2683 | page->freelist = get_freepointer(kmem_cache_node, n); | 2682 | page->freelist = get_freepointer(kmem_cache_node, n); |
2684 | page->inuse++; | 2683 | page->inuse = 1; |
2685 | page->frozen = 0; | 2684 | page->frozen = 0; |
2686 | kmem_cache_node->node[node] = n; | 2685 | kmem_cache_node->node[node] = n; |
2687 | #ifdef CONFIG_SLUB_DEBUG | 2686 | #ifdef CONFIG_SLUB_DEBUG |