diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched/ext/ext.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/kernel/sched/ext/ext.c b/kernel/sched/ext/ext.c index 3645a844cfbc..4ee802fad9df 100644 --- a/kernel/sched/ext/ext.c +++ b/kernel/sched/ext/ext.c @@ -6741,7 +6741,9 @@ static void bypass_lb_node(struct scx_sched *sch, int node) u32 nr = READ_ONCE(scx_bypass_dsq(sch, cpu)->nr); nr_tasks += nr; - nr_cpus++; + /* only a cpu whose dispatch consumes its DSQ is capacity */ + if (!scx_missing_caps(sch, cpu, SCX_CAP_BASE)) + nr_cpus++; before_min = min(nr, before_min); before_max = max(nr, before_max); @@ -6760,7 +6762,9 @@ static void bypass_lb_node(struct scx_sched *sch, int node) cpumask_clear(donee_mask); for_each_cpu_and(cpu, cpu_online_mask, node_mask) { - if (READ_ONCE(scx_bypass_dsq(sch, cpu)->nr) < nr_target) + /* a donee's DSQ is consumed only if @sch holds %SCX_CAP_BASE */ + if (READ_ONCE(scx_bypass_dsq(sch, cpu)->nr) < nr_target && + !scx_missing_caps(sch, cpu, SCX_CAP_BASE)) cpumask_set_cpu(cpu, donee_mask); } |