Messages in this thread Patch in this message | | | From | Viresh Kumar <> | Subject | [PATCH 1/3] cpufreq: Optimize cpufreq_show_cpus() | Date | Thu, 26 May 2022 17:21:19 +0530 |
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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> --- drivers/cpufreq/cpufreq.c | 8 +++++--- 1 file 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; } -- 2.31.1.272.g89b43f80a514
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