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authorGeliang Tang <geliangtang@163.com>2015-11-15 18:18:40 +0800
committerIngo Molnar <mingo@kernel.org>2015-11-23 09:48:17 +0100
commit01783e0d452736d7deff1b920c5eccad67adc428 (patch)
tree95a498910a1f9d1141f2a40b4edd5bde1993f6d7 /kernel/sched
parent3ea94de15ce9f3a217f6d0a7e9e0f48388902bb7 (diff)
downloadlinux-01783e0d452736d7deff1b920c5eccad67adc428.tar.bz2
sched/core: Use list_is_singular() in sched_can_stop_tick()
Use list_is_singular() to check if run_list has only one entry. Signed-off-by: Geliang Tang <geliangtang@163.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/a5453fafd735affcf28e53a1d0a3d6965cb5dbb5.1447582547.git.geliangtang@163.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched')
-rw-r--r--kernel/sched/core.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 1b7cb5e95816..5b420d29bce3 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -731,7 +731,7 @@ bool sched_can_stop_tick(void)
if (current->policy == SCHED_RR) {
struct sched_rt_entity *rt_se = &current->rt;
- return rt_se->run_list.prev == rt_se->run_list.next;
+ return list_is_singular(&rt_se->run_list);
}
/*