From a1fd0b9d751f840df23ef0e75b691fc00cfd4743 Mon Sep 17 00:00:00 2001 From: Vitalii Bursov Date: Tue, 30 Apr 2024 18:05:23 +0300 Subject: 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 Signed-off-by: Ingo Molnar Tested-by: Dietmar Eggemann Reviewed-by: Vincent Guittot Reviewed-by: Valentin Schneider Link: https://lore.kernel.org/r/bd6de28e80073c79466ec6401cdeae78f0d4423d.1714488502.git.vitaly@bursov.com --- kernel/sched/topology.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'kernel/sched/topology.c') diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c index 63aecd2a7a9f..67a777b31743 100644 --- a/kernel/sched/topology.c +++ b/kernel/sched/topology.c @@ -1475,7 +1475,7 @@ static void set_domain_attribute(struct sched_domain *sd, } else request = attr->relax_domain_level; - if (sd->level > request) { + if (sd->level >= request) { /* Turn off idle balance on this domain: */ sd->flags &= ~(SD_BALANCE_WAKE|SD_BALANCE_NEWIDLE); } -- cgit v1.2.3