path: root/mm/percpu.c
diff options
authorTejun Heo <tj@kernel.org>2009-03-01 15:42:36 +0900
committerTejun Heo <tj@kernel.org>2009-03-01 15:42:36 +0900
commit02d51fdfb2bfcf6bbd776f983177f55868aa0a79 (patch)
tree0237b1e965f91198955aa637025263ca66c2ce5c /mm/percpu.c
parent0093b108a6853d8398e1acf9021bcbd4666f4594 (diff)
percpu: kill compile warning in pcpu_populate_chunk()
Impact: remove compile warning Mark local variable map_end in pcpu_populate_chunk() with uninitialized_var(). The variable is always used in tandem with map_start and guaranteed to be initialized before use but gcc doesn't understand that. Signed-off-by: Tejun Heo <tj@kernel.org> Reported-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'mm/percpu.c')
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/percpu.c b/mm/percpu.c
index 5954e7a9eb1..3d0f5456827 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -639,7 +639,7 @@ static int pcpu_populate_chunk(struct pcpu_chunk *chunk, int off, int size)
int page_start = PFN_DOWN(off);
int page_end = PFN_UP(off + size);
int map_start = -1;
- int map_end;
+ int uninitialized_var(map_end);
unsigned int cpu;
int i;