diff options
| author | Haicheng Li <haicheng.li@linux.intel.com> | 2010-01-06 15:25:23 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-03-15 09:05:55 -0700 |
| commit | 0b7196b95e817ca95d15842269167324734c1c0e (patch) | |
| tree | a02025e309f268dcb82d7bd0915864af9b0b291b /mm/slab.c | |
| parent | f6bbb1be3901ce3c9166ef541bee8d47cba5d3fc (diff) | |
slab: initialize unused alien cache entry as NULL at alloc_alien_cache().
commit f3186a9c51eabe75b2780153ed7f07778d78b16e upstream.
Comparing with existing code, it's a simpler way to use kzalloc_node()
to ensure that each unused alien cache entry is NULL.
CC: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Christoph Lameter <cl@linux-foundation.org>
Acked-by: Matt Mackall <mpm@selenic.com>
Signed-off-by: Haicheng Li <haicheng.li@linux.intel.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'mm/slab.c')
| -rw-r--r-- | mm/slab.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/mm/slab.c b/mm/slab.c index 7451bdacaf1..ff44eb20216 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -983,13 +983,11 @@ static struct array_cache **alloc_alien_cache(int node, int limit, gfp_t gfp) if (limit > 1) limit = 12; - ac_ptr = kmalloc_node(memsize, gfp, node); + ac_ptr = kzalloc_node(memsize, gfp, node); if (ac_ptr) { for_each_node(i) { - if (i == node || !node_online(i)) { - ac_ptr[i] = NULL; + if (i == node || !node_online(i)) continue; - } ac_ptr[i] = alloc_arraycache(node, limit, 0xbaadf00d, gfp); if (!ac_ptr[i]) { for (i--; i >= 0; i--) |