On 24 September 2014 14:27, Preeti U Murthy <[email protected]> wrote: > 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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