diff options
| author | Vincent Guittot <vincent.guittot@linaro.org> | 2015-01-15 11:09:29 +0100 |
|---|---|---|
| committer | Robin Randhawa <robin.randhawa@arm.com> | 2015-04-09 12:26:12 +0100 |
| commit | d873a7a93cf97fc54bb83b16036dc78ae113c1e8 (patch) | |
| tree | 31b366ec3d2f7e2f31faeba6467edfec3491efac | |
| parent | 41eb6176c7cd28f2783d7dd043cdf53b358aa011 (diff) | |
sched: add SD_PREFER_SIBLING for SMT level
Add the SD_PREFER_SIBLING flag for SMT level in order to ensure that
the scheduler will put at least 1 task per core.
Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org>
Reviewed-by: Preeti U. Murthy <preeti@linux.vnet.ibm.com>
| -rw-r--r-- | kernel/sched/core.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 212077aa4987..2230aa425db7 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -5258,6 +5258,7 @@ sd_init(struct sched_domain_topology_level *tl, int cpu) */ if (sd->flags & SD_SHARE_CPUCAPACITY) { + sd->flags |= SD_PREFER_SIBLING; sd->imbalance_pct = 110; sd->smt_gain = 1178; /* ~15% */ |