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[PATCH] slab: minor cleanup to kmem_cache_alloc_node

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Clean up kmem_cache_alloc_node a bit.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Acked-by: Manfred Spraul <manfred@colorfullife.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Christoph Lameter 2006-02-01 03:05:43 -08:00 • committed by Linus Torvalds
parent 3dafccf227
commit 18f820f655
1 changed files with 6 additions and 15 deletions
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21
mm/slab.c
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@ -2928,27 +2928,18 @@ void *kmem_cache_alloc_node(kmem_cache_t *cachep, gfp_t flags, int nodeid)
unsigned long save_flags; unsigned long save_flags;
void *ptr; void *ptr;
if (nodeid == -1)
return __cache_alloc(cachep, flags);
if (unlikely(!cachep->nodelists[nodeid])) {
/* Fall back to __cache_alloc if we run into trouble */
printk(KERN_WARNING
"slab: not allocating in inactive node %d for cache %s\n",
nodeid, cachep->name);
return __cache_alloc(cachep, flags);
}
cache_alloc_debugcheck_before(cachep, flags); cache_alloc_debugcheck_before(cachep, flags);
local_irq_save(save_flags); local_irq_save(save_flags);
if (nodeid == numa_node_id())
if (nodeid == -1 || nodeid == numa_node_id() ||
!cachep->nodelists[nodeid])
ptr = ____cache_alloc(cachep, flags); ptr = ____cache_alloc(cachep, flags);
else else
ptr = __cache_alloc_node(cachep, flags, nodeid); ptr = __cache_alloc_node(cachep, flags, nodeid);
local_irq_restore(save_flags); local_irq_restore(save_flags);
ptr =
cache_alloc_debugcheck_after(cachep, flags, ptr, ptr = cache_alloc_debugcheck_after(cachep, flags, ptr,
__builtin_return_address(0)); __builtin_return_address(0));
return ptr; return ptr;
} }