diff options
| author | Vincent Guittot <[email protected]> | 2015-02-27 16:54:13 +0100 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2015-03-27 09:36:05 +0100 |
| commit | caff37ef96eac7fe96a582d032f6958e834e9447 (patch) | |
| tree | bb008dff6a59615a5f319e44f39f1aec7952839e | |
| parent | dc7ff76eadb4b89fd39bb466b8f3773e5467c11d (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 place at least one task per core.
Signed-off-by: Vincent Guittot <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Reviewed-by: Preeti U. Murthy <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
| -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 838fc9d1e7ab..043e2a13b8b9 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -6240,6 +6240,7 @@ 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% */ |