[RFC][PATCH] signal: replace !likely with unlikely!

[roy . qing . li]

From: Li RongQing <roy.qing.li@xxxxxxxxx> 

!likely() is hard to be understood, and I do not know if compiler can
optimise this condition, but unlikely(!()) is clear

Signed-off-by: Li RongQing <roy.qing.li@xxxxxxxxx>
---
 kernel/signal.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/signal.c b/kernel/signal.c
index 8f0876f..6156cfa 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1571,7 +1571,7 @@ int send_sigqueue(struct sigqueue *q, struct task_struct *t, int group)
 	BUG_ON(!(q->flags & SIGQUEUE_PREALLOC));
 
 	ret = -1;
-	if (!likely(lock_task_sighand(t, &flags)))
+	if (unlikely(!lock_task_sighand(t, &flags)))
 		goto ret;
 
 	ret = 1; /* the signal is ignored */
-- 
1.7.10.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/