percpu: use bitmap_clear

Use bitmap_clear rather than clearing individual bits in a memory region. Signed-off-by: Akinobu Mita <[email protected]> Acked-by: Christoph Lameter <[email protected]> Signed-off-by: Tejun Heo <[email protected]>
chewitt · Jan 20, 2012 · 26dd8e0 · 26dd8e0
1 parent dcd6c92
commit 26dd8e0
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/mm/percpu-vm.c b/mm/percpu-vm.c
@@ -184,8 +184,7 @@ static void pcpu_unmap_pages(struct pcpu_chunk *chunk,
 				   page_end - page_start);
 	}
 
-	for (i = page_start; i < page_end; i++)
-		__clear_bit(i, populated);
+	bitmap_clear(populated, page_start, page_end - page_start);
 }
 
 /**