sched: prevent wakeup over-scheduling

[linux-2.6-omap-h63xx.git] / kernel / sched.c

diff --git a/kernel/sched.c b/kernel/sched.c
index b7dff36c7c8c355bce08b85aee58818fbc40f624..e8051bd59acbc17436b99a31fbd887f90adc08dd 100644 (file)
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -444,13 +444,17 @@ enum {
        SCHED_FEAT_START_DEBIT          = 2,
        SCHED_FEAT_TREE_AVG             = 4,
        SCHED_FEAT_APPROX_AVG           = 8,
+       SCHED_FEAT_WAKEUP_PREEMPT       = 16,
+       SCHED_FEAT_PREEMPT_RESTRICT     = 32,
 };
 
 const_debug unsigned int sysctl_sched_features =
                SCHED_FEAT_NEW_FAIR_SLEEPERS    *1 |
                SCHED_FEAT_START_DEBIT          *1 |
                SCHED_FEAT_TREE_AVG             *0 |
-               SCHED_FEAT_APPROX_AVG           *0;
+               SCHED_FEAT_APPROX_AVG           *0 |
+               SCHED_FEAT_WAKEUP_PREEMPT       *1 |
+               SCHED_FEAT_PREEMPT_RESTRICT     *1;
 
 #define sched_feat(x) (sysctl_sched_features & SCHED_FEAT_##x)