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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 /kernel/sched | |
| parent | sched: Fix leftover comment typos (diff) | |
| download | linux-dev-01aee8fd7fb23049e2b52abadbe1f7b5e94a52d2.tar.xz linux-dev-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
Diffstat (limited to 'kernel/sched')
| -rw-r--r-- | kernel/sched/core.c | 4 |
1 files changed, 2 insertions, 2 deletions
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; |