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| author | Alexey Dobriyan <adobriyan@gmail.com> | 2021-04-22 22:02:26 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2021-05-12 21:34:15 +0200 |
| commit | 9745516841a55c77163a5d549bce1374d776df54 (patch) | |
| tree | 8d4f491ec8943ba11d1b859064aeaa3f397654e7 | |
| parent | sched: Make nr_running() return 32-bit value (diff) | |
| download | linux-9745516841a55c77163a5d549bce1374d776df54.tar.xz linux-9745516841a55c77163a5d549bce1374d776df54.zip | |
sched: Make nr_iowait() return 32-bit value
Creating 2**32 tasks to wait in D-state is impossible and wasteful.
Return "unsigned int" and save on REX prefixes.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20210422200228.1423391-2-adobriyan@gmail.com
| -rw-r--r-- | fs/proc/stat.c | 2 | ||||
| -rw-r--r-- | include/linux/sched/stat.h | 2 | ||||
| -rw-r--r-- | kernel/sched/core.c | 4 |
3 files changed, 4 insertions, 4 deletions
diff --git a/fs/proc/stat.c b/fs/proc/stat.c index 941605de7f9a..6561a06ef905 100644 --- a/fs/proc/stat.c +++ b/fs/proc/stat.c @@ -201,7 +201,7 @@ static int show_stat(struct seq_file *p, void *v) "btime %llu\n" "processes %lu\n" "procs_running %u\n" - "procs_blocked %lu\n", + "procs_blocked %u\n", nr_context_switches(), (unsigned long long)boottime.tv_sec, total_forks, diff --git a/include/linux/sched/stat.h b/include/linux/sched/stat.h index 73606b3de394..81d9b539e3b7 100644 --- a/include/linux/sched/stat.h +++ b/include/linux/sched/stat.h @@ -19,7 +19,7 @@ DECLARE_PER_CPU(unsigned long, process_counts); extern int nr_processes(void); extern unsigned int nr_running(void); extern bool single_task_running(void); -extern unsigned long nr_iowait(void); +extern unsigned int nr_iowait(void); extern unsigned long nr_iowait_cpu(int cpu); static inline int sched_info_on(void) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 2c6cdb059c64..fadf2bf1e86f 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -4774,9 +4774,9 @@ unsigned long nr_iowait_cpu(int cpu) * Task CPU affinities can make all that even more 'interesting'. */ -unsigned long nr_iowait(void) +unsigned int nr_iowait(void) { - unsigned long i, sum = 0; + unsigned int i, sum = 0; for_each_possible_cpu(i) sum += nr_iowait_cpu(i); |