mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-16 13:41:48 -04:00
Code Issues Packages Projects Releases Wiki Activity

cpufreq: optimize policy_is_shared()

Browse Source 
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>
This commit is contained in:
Yury Norov
2026-03-14 15:25:44 -04:00
committed by Rafael J. Wysocki
parent 022eec206a
commit 16c1e8385b
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
include/linux/cpufreq.h
View File

@@ -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