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authorMark Brown <broonie@kernel.org>2020-12-28 14:20:00 +0000
committerMark Brown <broonie@kernel.org>2020-12-28 14:20:00 +0000
commit2ae6f64ce1ce304b502461fdfe0b96c8171ae2cc (patch)
tree88e987c447daf2c29e2d4c15e58d1029b0cc78c2 /lib/cpumask.c
parent3b66e4a8e58a85af3212c7117d7a29c9ef6679a2 (diff)
parent5c8fe583cce542aa0b84adc939ce85293de36e5e (diff)
Merge tag 'v5.11-rc1' into regulator-5.11
Linux 5.11-rc1
Diffstat (limited to 'lib/cpumask.c')
-rw-r--r--lib/cpumask.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/lib/cpumask.c b/lib/cpumask.c
index 85da6ab4fbb5a..35924025097b9 100644
--- a/lib/cpumask.c
+++ b/lib/cpumask.c
@@ -267,3 +267,21 @@ int cpumask_any_and_distribute(const struct cpumask *src1p,
return next;
}
EXPORT_SYMBOL(cpumask_any_and_distribute);
+
+int cpumask_any_distribute(const struct cpumask *srcp)
+{
+ int next, prev;
+
+ /* NOTE: our first selection will skip 0. */
+ prev = __this_cpu_read(distribute_cpu_mask_prev);
+
+ next = cpumask_next(prev, srcp);
+ if (next >= nr_cpu_ids)
+ next = cpumask_first(srcp);
+
+ if (next < nr_cpu_ids)
+ __this_cpu_write(distribute_cpu_mask_prev, next);
+
+ return next;
+}
+EXPORT_SYMBOL(cpumask_any_distribute);