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| author | Peter Zijlstra <peterz@infradead.org> | 2017-08-29 16:07:54 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-10-10 12:43:29 +0300 |
| commit | 62cb1188ed86a9cf082fd2f757d4dd9b54741f24 (patch) | |
| tree | 7d4e28f82b4f5f9dc3cc5e437135542b749eabfe /kernel/sched/idle.c | |
| parent | 151aeab77738469ddbf0f9532e2fddd0d231aa2b (diff) | |
| download | linux-62cb1188ed86a9cf082fd2f757d4dd9b54741f24.tar.xz | |
sched/idle: Move quiet_vmstate() into the NOHZ code
quiet_vmstat() is an expensive function that only makes sense when we
go into NOHZ.
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>
Cc: aubrey.li@linux.intel.com
Cc: cl@linux.com
Cc: fweisbec@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched/idle.c')
| -rw-r--r-- | kernel/sched/idle.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/kernel/sched/idle.c b/kernel/sched/idle.c index 257f4f0b4532..b2e8f0afbb42 100644 --- a/kernel/sched/idle.c +++ b/kernel/sched/idle.c @@ -219,7 +219,6 @@ static void do_idle(void) */ __current_set_polling(); - quiet_vmstat(); tick_nohz_idle_enter(); while (!need_resched()) { |