[RFC PATCH 7/9] sched: search SMT before LLC domain

[subhra mazumdar]

Search SMT siblings before all CPUs in LLC domain for idle CPU. This helps
in L1 cache locality.
---
 kernel/sched/fair.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 8856503..94dd4a32 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -6274,11 +6274,11 @@ static int select_idle_sibling(struct task_struct *p, 
int prev, int target)
                        return i;
        }
 
-       i = select_idle_cpu(p, sd, target);
+       i = select_idle_smt(p, target);
        if ((unsigned)i < nr_cpumask_bits)
                return i;
 
-       i = select_idle_smt(p, target);
+       i = select_idle_cpu(p, sd, target);
        if ((unsigned)i < nr_cpumask_bits)
                return i;
 
-- 
2.9.3