GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-06-23 07:01:23 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

sched: Remove FAIR_SLEEPERS feature

Browse source 
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>
This commit is contained in:
Mike Galbraith 2010-03-11 17:17:17 +01:00 • committed by Ingo Molnar
parent 6bc6cf2b61
commit 5ca9880c6f
2 changed files with 1 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

7
kernel/sched_features.h
View file

@ -1,10 +1,3 @@
/*
* 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