diff options
| author | Chris Redpath <chris.redpath@arm.com> | 2015-02-04 14:40:41 +0900 |
|---|---|---|
| committer | Seung-Woo Kim <sw0312.kim@samsung.com> | 2016-12-14 13:41:55 +0900 |
| commit | 9ad0a05a2fd2984781fd4de3be32899794bb09b4 (patch) | |
| tree | e68fe7ec3c7669901d2df3b144b6c5ab875ae79f /kernel | |
| parent | 79445b8c7409e89f166ac5e57765cba574087679 (diff) | |
sched: hmp: Make idle balance behaviour normal when packing disabled
The presence of packing permanently changed the idle balance
behaviour. Do not restrict idle balance on the smallest CPUs when
packing is present but disabled.
Signed-off-by: Chris Redpath <chris.redpath@arm.com>
Signed-off-by: Jon Medhurst <tixy@linaro.org>
[k.kozlowski: rebased on 4.1, no signed-off-by of previous committer]
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched/fair.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 91aca005f9d2..6634a22f85ce 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -8376,6 +8376,10 @@ static int hmp_packing_ilb_needed(int cpu) if (!hmp_cpu_is_slowest(cpu)) return 1; + /* if disabled, use normal ILB behaviour */ + if (!hmp_packing_enabled) + return 1; + hmp = hmp_cpu_domain(cpu); for_each_cpu_and(cpu, &hmp->cpus, nohz.idle_cpus_mask) { /* only idle balance if a CPU is loaded over threshold */ |