On 09/23/2014 09:38 PM, Vincent Guittot wrote: > 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 <[email protected]> > --- > kernel/sched/core.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/kernel/sched/core.c b/kernel/sched/core.c > index c7c8ac4..f72663e 100644 > --- a/kernel/sched/core.c > +++ b/kernel/sched/core.c > @@ -6134,6 +6134,7 @@ 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% */ > Reviewed-by: Preeti U. Murthy <[email protected]>
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