diff options
| author | Yury Norov <ynorov@nvidia.com> | 2026-03-14 15:25:44 -0400 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2026-03-18 21:27:13 +0100 |
| commit | 16c1e8385b3bb65d412d7a60107f8894587c63fa (patch) | |
| tree | 3c20c2651a509cf8ed9f2ec9c34724053f76ab3e /include/linux | |
| parent | 022eec206a32c985f096ccc79894dad50dcf04f6 (diff) | |
cpufreq: optimize policy_is_shared()
The switch to cpumask_nth() over cpumask_weight(), as it may return
earlier - as soon as the function counts the required number of CPUs.
Signed-off-by: Yury Norov <ynorov@nvidia.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Zhongqiu Han <zhongqiu.han@oss.qualcomm.com>
Link: https://patch.msgid.link/20260314192544.605914-1-ynorov@nvidia.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/cpufreq.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index cc894fc38971..8ca2bcb3d7ae 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -232,7 +232,7 @@ static inline bool policy_is_inactive(struct cpufreq_policy *policy) static inline bool policy_is_shared(struct cpufreq_policy *policy) { - return cpumask_weight(policy->cpus) > 1; + return cpumask_nth(1, policy->cpus) < nr_cpumask_bits; } #ifdef CONFIG_CPU_FREQ |