[PATCH 2.6.13-mm1] use cached variable in sys_sched_yield()

[Renaud Lienhart]

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@xxxxxxx>

--- a/kernel/sched.c	Sat Sep  3 14:01:38 2005
+++ b/kernel/sched.c	Sat Sep  3 14:02:47 2005
@@ -4058,7 +4058,7 @@
 	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);
-
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