Use KMEM_CACHE macro to create the nsproxy cache

The blessed way for standard caches is to use it.  Besides, this may give
this cache a better alignment.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Acked-by: Cedric Le Goater <clg@fr.ibm.com>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/kernel/nsproxy.c b/kernel/nsproxy.c
index f1decd2..049e7c0 100644
--- a/kernel/nsproxy.c
+++ b/kernel/nsproxy.c
@@ -203,8 +203,7 @@
 
 static int __init nsproxy_cache_init(void)
 {
-	nsproxy_cachep = kmem_cache_create("nsproxy", sizeof(struct nsproxy),
-					   0, SLAB_PANIC, NULL);
+	nsproxy_cachep = KMEM_CACHE(nsproxy, SLAB_PANIC);
 	return 0;
 }