diff options
| author | Christoph Lameter <cl@linux.com> | 2011-06-01 12:25:51 -0500 |
|---|---|---|
| committer | Pekka Enberg <penberg@kernel.org> | 2011-07-02 13:26:54 +0300 |
| commit | 61728d1efc927eccfa64c50ede4998a8765805c3 (patch) | |
| tree | 8aeaa3bf585d297400386decf94df2ad842aaecc /mm/slub.c | |
| parent | 5cc6eee8a8c1aefe9c86fe7345a2aa1c4ca70dc6 (diff) | |
| download | lwn-61728d1efc927eccfa64c50ede4998a8765805c3.tar.gz lwn-61728d1efc927eccfa64c50ede4998a8765805c3.zip | |
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 <cl@linux.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
Diffstat (limited to 'mm/slub.c')
| -rw-r--r-- | mm/slub.c | 15 |
1 files changed, 8 insertions, 7 deletions
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); |