diff --git a/mm/slob.c b/mm/slob.c
index 1c240c4..a1f42bd 100644
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -336,7 +336,7 @@
 
 #ifdef CONFIG_SMP
 
-void *__alloc_percpu(size_t size, size_t align)
+void *__alloc_percpu(size_t size)
 {
 	int i;
 	struct percpu_data *pdata = kmalloc(sizeof (*pdata), GFP_KERNEL);