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| author | Alexey Dobriyan <adobriyan@gmail.com> | 2021-04-22 23:02:25 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2021-05-12 21:34:14 +0200 |
| commit | 01aee8fd7fb23049e2b52abadbe1f7b5e94a52d2 (patch) | |
| tree | 3724c38c4e041eea6037ff5fc206972457f6cc6b | |
| parent | cc00c1988801dc71f63bb7bad019e85046865095 (diff) | |
| download | linux-01aee8fd7fb23049e2b52abadbe1f7b5e94a52d2.tar.gz linux-01aee8fd7fb23049e2b52abadbe1f7b5e94a52d2.tar.bz2 linux-01aee8fd7fb23049e2b52abadbe1f7b5e94a52d2.zip | |
sched: Make nr_running() return 32-bit value
Creating 2**32 tasks is impossible due to futex pid limits and wasteful
anyway. Nobody has done it.
Bring nr_running() into 32-bit world to 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/20210422200228.1423391-1-adobriyan@gmail.com
| -rw-r--r-- | fs/proc/loadavg.c | 2 | ||||
| -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 |
4 files changed, 5 insertions, 5 deletions
diff --git a/fs/proc/loadavg.c b/fs/proc/loadavg.c index 8468baee951d..f32878d9a39f 100644 --- a/fs/proc/loadavg.c +++ b/fs/proc/loadavg.c @@ -16,7 +16,7 @@ static int loadavg_proc_show(struct seq_file *m, void *v) get_avenrun(avnrun, FIXED_1/200, 0); - seq_printf(m, "%lu.%02lu %lu.%02lu %lu.%02lu %ld/%d %d\n", + seq_printf(m, "%lu.%02lu %lu.%02lu %lu.%02lu %u/%d %d\n", LOAD_INT(avnrun[0]), LOAD_FRAC(avnrun[0]), LOAD_INT(avnrun[1]), LOAD_FRAC(avnrun[1]), LOAD_INT(avnrun[2]), LOAD_FRAC(avnrun[2]), diff --git a/fs/proc/stat.c b/fs/proc/stat.c index f25e8531fd27..941605de7f9a 100644 --- a/fs/proc/stat.c +++ b/fs/proc/stat.c @@ -200,7 +200,7 @@ static int show_stat(struct seq_file *p, void *v) "\nctxt %llu\n" "btime %llu\n" "processes %lu\n" - "procs_running %lu\n" + "procs_running %u\n" "procs_blocked %lu\n", nr_context_switches(), (unsigned long long)boottime.tv_sec, diff --git a/include/linux/sched/stat.h b/include/linux/sched/stat.h index 939c3ec9e1b9..73606b3de394 100644 --- a/include/linux/sched/stat.h +++ b/include/linux/sched/stat.h @@ -17,7 +17,7 @@ extern unsigned long total_forks; extern int nr_threads; DECLARE_PER_CPU(unsigned long, process_counts); extern int nr_processes(void); -extern unsigned long nr_running(void); +extern unsigned int nr_running(void); extern bool single_task_running(void); extern unsigned long nr_iowait(void); extern unsigned long nr_iowait_cpu(int cpu); diff --git a/kernel/sched/core.c b/kernel/sched/core.c index ac8882da5daf..2c6cdb059c64 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -4692,9 +4692,9 @@ context_switch(struct rq *rq, struct task_struct *prev, * externally visible scheduler statistics: current number of runnable * threads, total number of context switches performed since bootup. */ -unsigned long nr_running(void) +unsigned int nr_running(void) { - unsigned long i, sum = 0; + unsigned int i, sum = 0; for_each_online_cpu(i) sum += cpu_rq(i)->nr_running; |