diff options
| author |   Christoph Lameter <cl@linux.com> | 2012-05-09 10:09:57 -0500 |
|---|---|---|
| committer |   Pekka Enberg <penberg@kernel.org> | 2012-06-01 09:25:41 +0300 |
| commit | c17dda40a6a4ed95f035db38b7ba4fab0d99da44 (patch) | |
| tree | 332ba90981bb35d851a4078a3086352432a54b7c /mm/slub.c | |
| parent | slub: Get rid of the node field (diff) | |
| download | linux-dev-c17dda40a6a4ed95f035db38b7ba4fab0d99da44.tar.xz linux-dev-c17dda40a6a4ed95f035db38b7ba4fab0d99da44.zip | |
slub: Separate out kmem_cache_cpu processing from deactivate_slab
Processing on fields of kmem_cache_cpu is cleaner if code working on fields
of this struct is taken out of deactivate_slab().
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 | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/mm/slub.c b/mm/slub.c index aed879276410..2389a016577e 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -1729,14 +1729,12 @@ void init_kmem_cache_cpus(struct kmem_cache *s) /* * Remove the cpu slab */ -static void deactivate_slab(struct kmem_cache *s, struct kmem_cache_cpu *c) +static void deactivate_slab(struct kmem_cache *s, struct page *page, void *freelist) { enum slab_modes { M_NONE, M_PARTIAL, M_FULL, M_FREE }; - struct page *page = c->page; struct kmem_cache_node *n = get_node(s, page_to_nid(page)); int lock = 0; enum slab_modes l = M_NONE, m = M_NONE; - void *freelist; void *nextfree; int tail = DEACTIVATE_TO_HEAD; struct page new; @@ -1747,11 +1745,6 @@ static void deactivate_slab(struct kmem_cache *s, struct kmem_cache_cpu *c) tail = DEACTIVATE_TO_TAIL; } - c->tid = next_tid(c->tid); - c->page = NULL; - freelist = c->freelist; - c->freelist = NULL; - /* * Stage one: Free all available per cpu objects back * to the page freelist while it is still frozen. Leave the @@ -2009,7 +2002,11 @@ int put_cpu_partial(struct kmem_cache *s, struct page *page, int drain) static inline void flush_slab(struct kmem_cache *s, struct kmem_cache_cpu *c) { stat(s, CPUSLAB_FLUSH); - deactivate_slab(s, c); + deactivate_slab(s, c->page, c->freelist); + + c->tid = next_tid(c->tid); + c->page = NULL; + c->freelist = NULL; } /* @@ -2229,7 +2226,9 @@ redo: if (unlikely(!node_match(c, node))) { stat(s, ALLOC_NODE_MISMATCH); - deactivate_slab(s, c); + deactivate_slab(s, c->page, c->freelist); + c->page = NULL; + c->freelist = NULL; goto new_slab; } @@ -2289,8 +2288,9 @@ new_slab: if (!alloc_debug_processing(s, c->page, freelist, addr)) goto new_slab; /* Slab failed checks. Next slab needed */ - c->freelist = get_freepointer(s, freelist); - deactivate_slab(s, c); + deactivate_slab(s, c->page, get_freepointer(s, freelist)); + c->page = NULL; + c->freelist = NULL; local_irq_restore(flags); return freelist; } |