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authorMike Galbraith <efault@gmx.de>2010-03-11 17:17:17 +0100
committerIngo Molnar <mingo@elte.hu>2010-03-11 18:32:52 +0100
commit5ca9880c6f4ba4c84b517bc2fed5366adf63d191 (patch)
tree2aa6abff8c3615cbb692364e986e3126e0c4099d /kernel/sched_features.h
parent6bc6cf2b61336ed0c55a615eb4c0c8ed5daf3f08 (diff)
downloadlinux-5ca9880c6f4ba4c84b517bc2fed5366adf63d191.tar.bz2
sched: Remove FAIR_SLEEPERS feature
Our preemption model relies too heavily on sleeper fairness to disable it without dire consequences. Remove the feature, and save a branch or two. Signed-off-by: Mike Galbraith <efault@gmx.de> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <1268301520.6785.40.camel@marge.simson.net> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/sched_features.h')
-rw-r--r--kernel/sched_features.h7
1 files changed, 0 insertions, 7 deletions
diff --git a/kernel/sched_features.h b/kernel/sched_features.h
index 404288354aee..850f9809cf81 100644
--- a/kernel/sched_features.h
+++ b/kernel/sched_features.h
@@ -1,11 +1,4 @@
/*
- * Disregards a certain amount of sleep time (sched_latency_ns) and
- * considers the task to be running during that period. This gives it
- * a service deficit on wakeup, allowing it to run sooner.
- */
-SCHED_FEAT(FAIR_SLEEPERS, 1)
-
-/*
* Only give sleepers 50% of their service deficit. This allows
* them to run sooner, but does not allow tons of sleepers to
* rip the spread apart.