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sched/topology: Fix sched_numa_find_nth_cpu() in non-NUMA case

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When CONFIG_NUMA is enabled, sched_numa_find_nth_cpu() searches for a
CPU in sched_domains_numa_masks. The masks includes only online CPUs,
so effectively offline CPUs are skipped.

When CONFIG_NUMA is disabled, the fallback function should be consistent.

Fixes: cd7f55359c ("sched: add sched_numa_find_nth_cpu()")
Signed-off-by: Yury Norov <yury.norov@gmail.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Mel Gorman <mgorman@suse.de>
Link: https://lore.kernel.org/r/20230819141239.287290-5-yury.norov@gmail.com
This commit is contained in:
Yury Norov
2023-08-19 07:12:36 -07:00
committed by Ingo Molnar
parent 617f2c38cb
commit 8ab63d418d
1 changed files with 1 additions and 1 deletions
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2
include/linux/topology.h
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@@ -251,7 +251,7 @@ extern const struct cpumask *sched_numa_hop_mask(unsigned int node, unsigned int
#else
static __always_inline int sched_numa_find_nth_cpu(const struct cpumask *cpus, int cpu, int node)
{
return cpumask_nth(cpu, cpus);
return cpumask_nth_and(cpu, cpus, cpu_online_mask);
}
static inline const struct cpumask *