Commit 02d51fdf authored Mar 01, 2009 by Tejun Heo

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>

parent 0093b108

mm/percpu.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;