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-rw-r--r--mm/sparse.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/sparse.c b/mm/sparse.c
index e0a3fe48aa3..c7a2b3a0e46 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -45,7 +45,7 @@ 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;