diff options
| author | Vincent Guittot <vincent.guittot@linaro.org> | 2014-06-26 16:45:47 +0200 |
|---|---|---|
| committer | Vincent Guittot <vincent.guittot@linaro.org> | 2014-11-03 17:06:29 +0100 |
| commit | 2a6e0dd3ebb2fe8191551051a0d523563bb7118c (patch) | |
| tree | db167b4a0c8d4e6368a57f174fe10c861e2b08f1 | |
| parent | 9597d64116d0d441dea32e7f5f05fa135d16f44b (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 37fb92cb9bd0..731f2ad82d4c 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -6165,6 +6165,7 @@ 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% */ |