1 files changed, 1 insertions, 2 deletions

diff --git a/mm/sparse.c b/mm/sparse.c
index e0a3fe48aa37..86c52ab80878 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -1,7 +1,6 @@
 /*
  * sparse memory mappings.
  */
-#include <linux/config.h>
 #include <linux/mm.h>
 #include <linux/mmzone.h>
 #include <linux/bootmem.h>
@@ -45,7 +44,7 @@ static struct mem_section *sparse_index_alloc(int nid)
 
 static int sparse_index_init(unsigned long section_nr, int nid)
 {
-        static spinlock_t index_init_lock = SPIN_LOCK_UNLOCKED;
+        static DEFINE_SPINLOCK(index_init_lock);
         unsigned long root = SECTION_NR_TO_ROOT(section_nr);
         struct mem_section *section;
         int ret = 0;