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author | Mark Brown <broonie@kernel.org> | 2020-12-28 14:20:00 +0000 |
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committer | Mark Brown <broonie@kernel.org> | 2020-12-28 14:20:00 +0000 |
commit | 2ae6f64ce1ce304b502461fdfe0b96c8171ae2cc (patch) | |
tree | 88e987c447daf2c29e2d4c15e58d1029b0cc78c2 /lib/cpumask.c | |
parent | 3b66e4a8e58a85af3212c7117d7a29c9ef6679a2 (diff) | |
parent | 5c8fe583cce542aa0b84adc939ce85293de36e5e (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.c | 18 |
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); |