diff options
| author | Frederic Weisbecker <frederic@kernel.org> | 2019-12-03 17:01:06 +0100 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2019-12-17 13:32:50 +0100 |
| commit | 5443a0be6121d557e12951537e10159e4c61035d (patch) | |
| tree | 9dc1a41330100d587a3ea7a8f0fdfa13ce0d7b76 /kernel/sched/wait_bit.c | |
| parent | 7c2e8bbd87db661122e92d71a394dd7bb3ada4d3 (diff) | |
sched: Use fair:prio_changed() instead of ad-hoc implementation
set_user_nice() implements its own version of fair::prio_changed() and
therefore misses a specific optimization towards nohz_full CPUs that
avoid sending an resched IPI to a reniced task running alone. Use the
proper callback instead.
Reported-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Ingo Molnar <mingo@kernel.org>
Link: https://lkml.kernel.org/r/20191203160106.18806-3-frederic@kernel.org
Diffstat (limited to 'kernel/sched/wait_bit.c')
0 files changed, 0 insertions, 0 deletions