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authorYury Norov <yury.norov@gmail.com>2023-01-21 07:24:32 +0300
committerJakub Kicinski <kuba@kernel.org>2023-02-08 05:20:00 +0300
commitb1beed72b8b75d365fdbc925da856c212195051b (patch)
treee8f5aca99400b2b3840388983df01f9c73e76fe2 /lib
parent406d394abfcd8f16dc1dbcc8fc1b828252befb6d (diff)
downloadlinux-b1beed72b8b75d365fdbc925da856c212195051b.tar.xz
lib/cpumask: reorganize cpumask_local_spread() logic
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>
Diffstat (limited to 'lib')
-rw-r--r--lib/cpumask.c16
1 files changed, 6 insertions, 10 deletions
diff --git a/lib/cpumask.c b/lib/cpumask.c
index 255974cd6734..10aa15715c0d 100644
--- a/lib/cpumask.c
+++ b/lib/cpumask.c
@@ -127,16 +127,12 @@ unsigned int cpumask_local_spread(unsigned int i, int node)
/* Wrap: we always want a cpu. */
i %= num_online_cpus();
- if (node == NUMA_NO_NODE) {
- cpu = cpumask_nth(i, cpu_online_mask);
- if (cpu < nr_cpu_ids)
- return cpu;
- } else {
- cpu = sched_numa_find_nth_cpu(cpu_online_mask, i, node);
- if (cpu < nr_cpu_ids)
- return cpu;
- }
- BUG();
+ cpu = (node == NUMA_NO_NODE) ?
+ cpumask_nth(i, cpu_online_mask) :
+ sched_numa_find_nth_cpu(cpu_online_mask, i, node);
+
+ WARN_ON(cpu >= nr_cpu_ids);
+ return cpu;
}
EXPORT_SYMBOL(cpumask_local_spread);