[PATCH 3/3] sched: terminate newidle balancing once at least one task has moved over
From: Gregory Haskins <hidden>
Date: 2008-06-24 14:16:25
Also in:
lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
Inspired by Peter Zijlstra. Signed-off-by: Gregory Haskins <redacted> --- kernel/sched.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/kernel/sched.c b/kernel/sched.c
index e40c575..094a84b 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c@@ -2774,6 +2774,10 @@ static int move_tasks(struct rq *this_rq, int this_cpu, struct rq *busiest, max_load_move - total_load_moved, sd, idle, all_pinned, &this_best_prio); class = class->next; + + if (idle == CPU_NEWLY_IDLE && this_rq->nr_running) + break; + } while (class && max_load_move > total_load_moved); return total_load_moved > 0;