[PATCH] Change constant zero to NOTIFY_DONE in ratelimit_handler()

Change a hard-coded constant 0 to the symbolic equivalent NOTIFY_DONE in
the ratelimit_handler() CPU notifier handler function.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index fd96a555e500e770a679a74008cea59e84d71d3f..f7e088f5a309eff3a03c8da5ad4ca4b37ecd5518 100644 (file)
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -515,7 +515,7 @@ static int __cpuinit
 ratelimit_handler(struct notifier_block *self, unsigned long u, void *v)
 {
        writeback_set_ratelimit();
-       return 0;
+       return NOTIFY_DONE;
 }
 
 static struct notifier_block __cpuinitdata ratelimit_nb = {