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lib/cpumask: reorganize cpumask_local_spread() logic

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Now after moving all NUMA logic into sched_numa_find_nth_cpu(),
else-branch of cpumask_local_spread() is just a function call, and
we can simplify logic by using ternary operator.

While here, replace BUG() with WARN_ON().

Signed-off-by: Yury Norov <yury.norov@gmail.com>
Acked-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Peter Lafreniere <peter@n8pjl.ca>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Yury Norov 2023-01-20 20:24:32 -08:00 • committed by Jakub Kicinski
parent 406d394abf
commit b1beed72b8
1 changed files with 6 additions and 10 deletions
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16
lib/cpumask.c
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@ -127,16 +127,12 @@ unsigned int cpumask_local_spread(unsigned int i, int node)
/* Wrap: we always want a cpu. */ /* Wrap: we always want a cpu. */
i %= num_online_cpus(); i %= num_online_cpus();
if (node == NUMA_NO_NODE) { cpu = (node == NUMA_NO_NODE) ?
cpu = cpumask_nth(i, cpu_online_mask); cpumask_nth(i, cpu_online_mask) :
if (cpu < nr_cpu_ids) sched_numa_find_nth_cpu(cpu_online_mask, i, node);
return cpu;
} else { WARN_ON(cpu >= nr_cpu_ids);
cpu = sched_numa_find_nth_cpu(cpu_online_mask, i, node); return cpu;
if (cpu < nr_cpu_ids)
return cpu;
}
BUG();
} }
EXPORT_SYMBOL(cpumask_local_spread); EXPORT_SYMBOL(cpumask_local_spread);