diff options
| author | Geliang Tang <[email protected]> | 2015-11-15 18:18:40 +0800 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2015-11-23 09:48:17 +0100 |
| commit | 01783e0d452736d7deff1b920c5eccad67adc428 (patch) | |
| tree | 95a498910a1f9d1141f2a40b4edd5bde1993f6d7 | |
| parent | 3ea94de15ce9f3a217f6d0a7e9e0f48388902bb7 (diff) | |
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 <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Mike Galbraith <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Link: http://lkml.kernel.org/r/a5453fafd735affcf28e53a1d0a3d6965cb5dbb5.1447582547.git.geliangtang@163.com
Signed-off-by: Ingo Molnar <[email protected]>
| -rw-r--r-- | kernel/sched/core.c | 2 |
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 = ¤t->rt; - return rt_se->run_list.prev == rt_se->run_list.next; + return list_is_singular(&rt_se->run_list); } /* |