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| author |   Viresh Kumar <viresh.kumar@linaro.org> | 2022-05-26 17:21:19 +0530 |
|---|---|---|
| committer |   Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2022-06-14 15:48:49 +0200 |
| commit | 336e51283ae376835b30b9edfcddd8e7b7615798 (patch) | |
| tree | 35329e5b30fdaf33ffd3bcd6ed5c5be71840ac12 /drivers/cpufreq/cpufreq.c | |
| parent | Linux 5.19-rc2 (diff) | |
| download | linux-dev-336e51283ae376835b30b9edfcddd8e7b7615798.tar.xz linux-dev-336e51283ae376835b30b9edfcddd8e7b7615798.zip | |
cpufreq: Optimize cpufreq_show_cpus()
Instead of specially adding a space for each CPU, except the first one,
lets add space for each of them and remove it at the end.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/cpufreq/cpufreq.c')
| -rw-r--r-- | drivers/cpufreq/cpufreq.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 2cad42774164..e24aa5d4bca5 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -843,12 +843,14 @@ ssize_t cpufreq_show_cpus(const struct cpumask *mask, char *buf) unsigned int cpu; for_each_cpu(cpu, mask) { - if (i) - i += scnprintf(&buf[i], (PAGE_SIZE - i - 2), " "); - i += scnprintf(&buf[i], (PAGE_SIZE - i - 2), "%u", cpu); + i += scnprintf(&buf[i], (PAGE_SIZE - i - 2), "%u ", cpu); if (i >= (PAGE_SIZE - 5)) break; } + + /* Remove the extra space at the end */ + i--; + i += sprintf(&buf[i], "\n"); return i; } |