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authorGregory Haskins <ghaskins@novell.com>2008-01-25 21:08:23 +0100
committerIngo Molnar <mingo@elte.hu>2008-01-25 21:08:23 +0100
commitc49443c538c1bbf50eda27e4a3711e9fc15176b0 (patch)
tree8dece13f1f5c48422359c981a4ef8bba92136597 /kernel
parentsched: RT-balance, only adjust overload state when changing (diff)
downloadlinux-dev-c49443c538c1bbf50eda27e4a3711e9fc15176b0.tar.xz
linux-dev-c49443c538c1bbf50eda27e4a3711e9fc15176b0.zip
sched: remove some old cpuset logic
We had support for overlapping cpuset based rto logic in early prototypes that is no longer used, so remove it. Signed-off-by: Gregory Haskins <ghaskins@novell.com> Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/sched_rt.c33
1 files changed, 0 insertions, 33 deletions
diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c
index a386758ffebb..9affb3c9d3db 100644
--- a/kernel/sched_rt.c
+++ b/kernel/sched_rt.c
@@ -586,38 +586,6 @@ static int pull_rt_task(struct rq *this_rq)
continue;
src_rq = cpu_rq(cpu);
- if (unlikely(src_rq->rt.rt_nr_running <= 1)) {
- /*
- * It is possible that overlapping cpusets
- * will miss clearing a non overloaded runqueue.
- * Clear it now.
- */
- if (double_lock_balance(this_rq, src_rq)) {
- /* unlocked our runqueue lock */
- struct task_struct *old_next = next;
-
- next = pick_next_task_rt(this_rq);
- if (next != old_next)
- ret = 1;
- }
- if (likely(src_rq->rt.rt_nr_running <= 1)) {
- /*
- * Small chance that this_rq->curr changed
- * but it's really harmless here.
- */
- rt_clear_overload(this_rq);
- } else {
- /*
- * Heh, the src_rq is now overloaded, since
- * we already have the src_rq lock, go straight
- * to pulling tasks from it.
- */
- goto try_pulling;
- }
- spin_unlock(&src_rq->lock);
- continue;
- }
-
/*
* We can potentially drop this_rq's lock in
* double_lock_balance, and another CPU could
@@ -641,7 +609,6 @@ static int pull_rt_task(struct rq *this_rq)
continue;
}
- try_pulling:
p = pick_next_highest_task_rt(src_rq, this_cpu);
/*