diff options
| author | Alexey Dobriyan <adobriyan@gmail.com> | 2021-04-22 23:02:26 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2021-05-12 22:34:15 +0300 |
| commit | 9745516841a55c77163a5d549bce1374d776df54 (patch) | |
| tree | 8d4f491ec8943ba11d1b859064aeaa3f397654e7 /kernel/sched | |
| parent | 01aee8fd7fb23049e2b52abadbe1f7b5e94a52d2 (diff) | |
| download | linux-9745516841a55c77163a5d549bce1374d776df54.tar.xz | |
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
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 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); |