From 61728d1efc927eccfa64c50ede4998a8765805c3 Mon Sep 17 00:00:00 2001 From: Christoph Lameter Date: Wed, 1 Jun 2011 12:25:51 -0500 Subject: slub: Pass kmem_cache struct to lock and freeze slab We need more information about the slab for the cmpxchg implementation. Signed-off-by: Christoph Lameter Acked-by: David Rientjes Signed-off-by: Pekka Enberg --- mm/slub.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) (limited to 'mm/slub.c') diff --git a/mm/slub.c b/mm/slub.c index e39be0928a22..5cf98ff09360 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -1457,8 +1457,8 @@ static inline void remove_partial(struct kmem_cache_node *n, * * Must hold list_lock. */ -static inline int lock_and_freeze_slab(struct kmem_cache_node *n, - struct page *page) +static inline int lock_and_freeze_slab(struct kmem_cache *s, + struct kmem_cache_node *n, struct page *page) { if (slab_trylock(page)) { remove_partial(n, page); @@ -1470,7 +1470,8 @@ static inline int lock_and_freeze_slab(struct kmem_cache_node *n, /* * Try to allocate a partial slab from a specific node. */ -static struct page *get_partial_node(struct kmem_cache_node *n) +static struct page *get_partial_node(struct kmem_cache *s, + struct kmem_cache_node *n) { struct page *page; @@ -1485,7 +1486,7 @@ static struct page *get_partial_node(struct kmem_cache_node *n) spin_lock(&n->list_lock); list_for_each_entry(page, &n->partial, lru) - if (lock_and_freeze_slab(n, page)) + if (lock_and_freeze_slab(s, n, page)) goto out; page = NULL; out: @@ -1536,7 +1537,7 @@ static struct page *get_any_partial(struct kmem_cache *s, gfp_t flags) if (n && cpuset_zone_allowed_hardwall(zone, flags) && n->nr_partial > s->min_partial) { - page = get_partial_node(n); + page = get_partial_node(s, n); if (page) { put_mems_allowed(); return page; @@ -1556,7 +1557,7 @@ static struct page *get_partial(struct kmem_cache *s, gfp_t flags, int node) struct page *page; int searchnode = (node == NUMA_NO_NODE) ? numa_node_id() : node; - page = get_partial_node(get_node(s, searchnode)); + page = get_partial_node(s, get_node(s, searchnode)); if (page || node != NUMA_NO_NODE) return page; @@ -2081,7 +2082,7 @@ static void __slab_free(struct kmem_cache *s, struct page *page, { void *prior; void **object = (void *)x; - unsigned long flags; + unsigned long uninitialized_var(flags); local_irq_save(flags); slab_lock(page); -- cgit v1.2.3