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proc/stat: remove arch_idle_time() 

The last (only) architecture specific arch_idle_time() implementation was
removed with commit be76ea6144 ("s390/idle: remove arch_cpu_idle_time()
and corresponding code").

Therefore remove the now dead code in fs/proc/stat.c as well.

Link: https://lkml.kernel.org/r/20230405143452.2677172-1-hca@linux.ibm.com
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Heiko Carstens 2023-04-05 16:34:52 +02:00 committed by Andrew Morton
parent d6ccdd678e
commit 1be2edb25c
1 changed files with 0 additions and 26 deletions
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26
fs/proc/stat.c
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@ -22,30 +22,6 @@
#define arch_irq_stat() 0
#endif
#ifdef arch_idle_time
u64 get_idle_time(struct kernel_cpustat *kcs, int cpu)
{
u64 idle;
idle = kcs->cpustat[CPUTIME_IDLE];
if (cpu_online(cpu) && !nr_iowait_cpu(cpu))
idle += arch_idle_time(cpu);
return idle;
}
static u64 get_iowait_time(struct kernel_cpustat *kcs, int cpu)
{
u64 iowait;
iowait = kcs->cpustat[CPUTIME_IOWAIT];
if (cpu_online(cpu) && nr_iowait_cpu(cpu))
iowait += arch_idle_time(cpu);
return iowait;
}
#else
u64 get_idle_time(struct kernel_cpustat *kcs, int cpu)
{
u64 idle, idle_usecs = -1ULL;
@ -78,8 +54,6 @@ static u64 get_iowait_time(struct kernel_cpustat *kcs, int cpu)
return iowait;
}
#endif
static void show_irq_gap(struct seq_file *p, unsigned int gap)
{
static const char zeros[] = " 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0";