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| author | Christoph Lameter <cl@linux.com> | 2012-05-09 10:09:59 -0500 |
|---|---|---|
| committer | Pekka Enberg <penberg@kernel.org> | 2012-06-01 09:25:41 +0300 |
| commit | 57d437d2aa680f42d75cef45205834d5f605550a (patch) | |
| tree | 0730b0d2b5b3c1e8286569580de92228e097af51 /mm/slub.c | |
| parent | f6e7def7f7d749759e4bf36dcc25ae289a20d868 (diff) | |
| download | linux-stable-57d437d2aa680f42d75cef45205834d5f605550a.tar.gz linux-stable-57d437d2aa680f42d75cef45205834d5f605550a.tar.bz2 linux-stable-57d437d2aa680f42d75cef45205834d5f605550a.zip | |
slub: pass page to node_match() instead of kmem_cache_cpu structure
Avoid passing the kmem_cache_cpu pointer to node_match. This makes the
node_match function more generic and easier to understand.
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
Diffstat (limited to 'mm/slub.c')
| -rw-r--r-- | mm/slub.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/mm/slub.c b/mm/slub.c index 6b60fc907a71..719509eaa467 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -2050,10 +2050,10 @@ static void flush_all(struct kmem_cache *s) * Check if the objects in a per cpu structure fit numa * locality expectations. */ -static inline int node_match(struct kmem_cache_cpu *c, int node) +static inline int node_match(struct page *page, int node) { #ifdef CONFIG_NUMA - if (node != NUMA_NO_NODE && page_to_nid(c->page) != node) + if (node != NUMA_NO_NODE && page_to_nid(page) != node) return 0; #endif return 1; @@ -2226,7 +2226,7 @@ static void *__slab_alloc(struct kmem_cache *s, gfp_t gfpflags, int node, goto new_slab; redo: - if (unlikely(!node_match(c, node))) { + if (unlikely(!node_match(page, node))) { stat(s, ALLOC_NODE_MISMATCH); deactivate_slab(s, page, c->freelist); c->page = NULL; @@ -2313,6 +2313,7 @@ static __always_inline void *slab_alloc(struct kmem_cache *s, { void **object; struct kmem_cache_cpu *c; + struct page *page; unsigned long tid; if (slab_pre_alloc_hook(s, gfpflags)) @@ -2338,7 +2339,8 @@ redo: barrier(); object = c->freelist; - if (unlikely(!object || !node_match(c, node))) + page = c->page; + if (unlikely(!object || !node_match(page, node))) object = __slab_alloc(s, gfpflags, node, addr, c); |