[PATCH] slab: minor cleanup to kmem_cache_alloc_node

[Pekka J Enberg]

This patch gets rid of one if-else statement by moving current node allocation
check at the beginning of kmem_cache_alloc_node().

Signed-off-by: Pekka Enberg <penberg@xxxxxxxxxxxxxx>
---

 slab.c |    7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/mm/slab.c b/mm/slab.c
index 7f80ec3..a05bbfe 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -2881,7 +2881,7 @@ void *kmem_cache_alloc_node(kmem_cache_t
 	unsigned long save_flags;
 	void *ptr;
 
-	if (nodeid == -1)
+	if (nodeid == -1 || nodeid == numa_node_id())
 		return __cache_alloc(cachep, flags);
 
 	if (unlikely(!cachep->nodelists[nodeid])) {
@@ -2892,10 +2892,7 @@ void *kmem_cache_alloc_node(kmem_cache_t
 
 	cache_alloc_debugcheck_before(cachep, flags);
 	local_irq_save(save_flags);
-	if (nodeid == numa_node_id())
-		ptr = ____cache_alloc(cachep, flags);
-	else
-		ptr = __cache_alloc_node(cachep, flags, nodeid);
+	ptr = __cache_alloc_node(cachep, flags, nodeid);
 	local_irq_restore(save_flags);
 	ptr = cache_alloc_debugcheck_after(cachep, flags, ptr, __builtin_return_address(0));
 
-
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