diff options
| author | Vitalii Bursov <vitaly@bursov.com> | 2024-04-30 18:05:23 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2024-05-17 09:48:24 +0200 |
| commit | a1fd0b9d751f840df23ef0e75b691fc00cfd4743 (patch) | |
| tree | 68fc04cee7c6b0799ccc651fa230ef68ed9158c6 /kernel/cgroup/cpuset.c | |
| parent | e5bc44e47c531860be96ac615314b1ab23d5aa2b (diff) | |
| download | linux-a1fd0b9d751f840df23ef0e75b691fc00cfd4743.tar.gz linux-a1fd0b9d751f840df23ef0e75b691fc00cfd4743.tar.bz2 linux-a1fd0b9d751f840df23ef0e75b691fc00cfd4743.zip | |
sched/fair: Allow disabling sched_balance_newidle with sched_relax_domain_level
Change relax_domain_level checks so that it would be possible
to include or exclude all domains from newidle balancing.
This matches the behavior described in the documentation:
-1 no request. use system default or follow request of others.
0 no search.
1 search siblings (hyperthreads in a core).
"2" enables levels 0 and 1, level_max excludes the last (level_max)
level, and level_max+1 includes all levels.
Fixes: 1d3504fcf560 ("sched, cpuset: customize sched domains, core")
Signed-off-by: Vitalii Bursov <vitaly@bursov.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Tested-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Reviewed-by: Vincent Guittot <vincent.guittot@linaro.org>
Reviewed-by: Valentin Schneider <vschneid@redhat.com>
Link: https://lore.kernel.org/r/bd6de28e80073c79466ec6401cdeae78f0d4423d.1714488502.git.vitaly@bursov.com
Diffstat (limited to 'kernel/cgroup/cpuset.c')
| -rw-r--r-- | kernel/cgroup/cpuset.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c index 4237c8748715..da24187c4e02 100644 --- a/kernel/cgroup/cpuset.c +++ b/kernel/cgroup/cpuset.c @@ -2948,7 +2948,7 @@ bool current_cpuset_is_being_rebound(void) static int update_relax_domain_level(struct cpuset *cs, s64 val) { #ifdef CONFIG_SMP - if (val < -1 || val >= sched_domain_level_max) + if (val < -1 || val > sched_domain_level_max + 1) return -EINVAL; #endif |