diff options
| author | Chris Redpath <chris.redpath@arm.com> | 2014-01-09 10:38:54 +0000 |
|---|---|---|
| committer | Jon Medhurst <tixy@linaro.org> | 2014-01-22 09:50:43 +0000 |
| commit | 257e5075a1433513bb354f202adcd2dea8a8dc08 (patch) | |
| tree | 065140534797edf3c76916aca8e5d8542a0c5a99 | |
| parent | 7896b1e659db571556436b99ebb2e475e54a24f5 (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>
| -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 383cd134705a..28debe3047b5 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -6350,6 +6350,10 @@ 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 */ |