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authorLinus Torvalds <torvalds@linux-foundation.org>2010-05-30 12:46:17 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-30 12:46:17 -0700
commit3b03117c5cfbb04175b688c79ea4155b8ef812d3 (patch)
tree5d2e3d0d7db98e2b47c7bb51be39bc4ced6a4d97 /mm
parentfa7eadab4b4aec0139d2429e6f8d13375ff8a658 (diff)
parent0f1f694260e0d35b5ce7d471f6e679c3dd4d7d94 (diff)
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Merge branch 'slub/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6
* 'slub/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6: SLUB: Allow full duplication of kmalloc array for 390 slub: move kmem_cache_node into it's own cacheline
Diffstat (limited to 'mm')
-rw-r--r--mm/slub.c33
1 files changed, 11 insertions, 22 deletions
diff --git a/mm/slub.c b/mm/slub.c
index 26f0cb9cc584..578f68f3c51f 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2137,7 +2137,7 @@ static void free_kmem_cache_nodes(struct kmem_cache *s)
for_each_node_state(node, N_NORMAL_MEMORY) {
struct kmem_cache_node *n = s->node[node];
- if (n && n != &s->local_node)
+ if (n)
kmem_cache_free(kmalloc_caches, n);
s->node[node] = NULL;
}
@@ -2146,33 +2146,22 @@ static void free_kmem_cache_nodes(struct kmem_cache *s)
static int init_kmem_cache_nodes(struct kmem_cache *s, gfp_t gfpflags)
{
int node;
- int local_node;
-
- if (slab_state >= UP && (s < kmalloc_caches ||
- s >= kmalloc_caches + KMALLOC_CACHES))
- local_node = page_to_nid(virt_to_page(s));
- else
- local_node = 0;
for_each_node_state(node, N_NORMAL_MEMORY) {
struct kmem_cache_node *n;
- if (local_node == node)
- n = &s->local_node;
- else {
- if (slab_state == DOWN) {
- early_kmem_cache_node_alloc(gfpflags, node);
- continue;
- }
- n = kmem_cache_alloc_node(kmalloc_caches,
- gfpflags, node);
-
- if (!n) {
- free_kmem_cache_nodes(s);
- return 0;
- }
+ if (slab_state == DOWN) {
+ early_kmem_cache_node_alloc(gfpflags, node);
+ continue;
+ }
+ n = kmem_cache_alloc_node(kmalloc_caches,
+ gfpflags, node);
+ if (!n) {
+ free_kmem_cache_nodes(s);
+ return 0;
}
+
s->node[node] = n;
init_kmem_cache_node(n, s);
}