From: Renaud Lienhart <renaud.lienhart@free.fr>
Date: Sat, 10 Sep 2005 07:26:20 +0000 (-0700)
Subject: [PATCH] sched: use cached variable in sys_sched_yield()
X-Git-Tag: v2.6.16.28-rc1~3989
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=5927ad78ec75870b1bdfa65a10ad1300cd664d36;p=karo-tx-linux.git

[PATCH] sched: use cached variable in sys_sched_yield()

In sys_sched_yield(), we cache current->array in the "array" variable, thus
there's no need to dereference "current" again later.

Signed-Off-By: Renaud Lienhart <renaud.lienhart@free.fr>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/kernel/sched.c b/kernel/sched.c
index 46fdd0bb1ed6..103f705b245c 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -3938,7 +3938,7 @@ asmlinkage long sys_sched_yield(void)
 	if (rt_task(current))
 		target = rq->active;
 
-	if (current->array->nr_active == 1) {
+	if (array->nr_active == 1) {
 		schedstat_inc(rq, yld_act_empty);
 		if (!rq->expired->nr_active)
 			schedstat_inc(rq, yld_both_empty);