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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2011-07-06 14:20:14 +0200
committerIngo Molnar <mingo@elte.hu>2011-12-06 20:51:26 +0100
commitf8b6d1cc7dc15cf3de538b864eefaedad7a84d85 (patch)
tree084948d4bebc74a66231d95e03daaeb808640d66 /kernel/sched/features.h
parentsched/accounting: Fix parameter passing in task_group_account_field (diff)
downloadlinux-f8b6d1cc7dc15cf3de538b864eefaedad7a84d85.tar.xz
linux-f8b6d1cc7dc15cf3de538b864eefaedad7a84d85.zip
sched: Use jump_labels for sched_feat
Now that we initialize jump_labels before sched_init() we can use them for the debug features without having to worry about a window where they have the wrong setting. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/n/tip-vpreo4hal9e0kzqmg5y0io2k@git.kernel.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/sched/features.h')
-rw-r--r--kernel/sched/features.h30
1 files changed, 15 insertions, 15 deletions
diff --git a/kernel/sched/features.h b/kernel/sched/features.h
index 84802245abd2..e61fd73913d0 100644
--- a/kernel/sched/features.h
+++ b/kernel/sched/features.h
@@ -3,13 +3,13 @@
* them to run sooner, but does not allow tons of sleepers to
* rip the spread apart.
*/
-SCHED_FEAT(GENTLE_FAIR_SLEEPERS, 1)
+SCHED_FEAT(GENTLE_FAIR_SLEEPERS, true)
/*
* Place new tasks ahead so that they do not starve already running
* tasks
*/
-SCHED_FEAT(START_DEBIT, 1)
+SCHED_FEAT(START_DEBIT, true)
/*
* Based on load and program behaviour, see if it makes sense to place
@@ -17,54 +17,54 @@ SCHED_FEAT(START_DEBIT, 1)
* improve cache locality. Typically used with SYNC wakeups as
* generated by pipes and the like, see also SYNC_WAKEUPS.
*/
-SCHED_FEAT(AFFINE_WAKEUPS, 1)
+SCHED_FEAT(AFFINE_WAKEUPS, true)
/*
* Prefer to schedule the task we woke last (assuming it failed
* wakeup-preemption), since its likely going to consume data we
* touched, increases cache locality.
*/
-SCHED_FEAT(NEXT_BUDDY, 0)
+SCHED_FEAT(NEXT_BUDDY, false)
/*
* Prefer to schedule the task that ran last (when we did
* wake-preempt) as that likely will touch the same data, increases
* cache locality.
*/
-SCHED_FEAT(LAST_BUDDY, 1)
+SCHED_FEAT(LAST_BUDDY, true)
/*
* Consider buddies to be cache hot, decreases the likelyness of a
* cache buddy being migrated away, increases cache locality.
*/
-SCHED_FEAT(CACHE_HOT_BUDDY, 1)
+SCHED_FEAT(CACHE_HOT_BUDDY, true)
/*
* Use arch dependent cpu power functions
*/
-SCHED_FEAT(ARCH_POWER, 0)
+SCHED_FEAT(ARCH_POWER, false)
-SCHED_FEAT(HRTICK, 0)
-SCHED_FEAT(DOUBLE_TICK, 0)
-SCHED_FEAT(LB_BIAS, 1)
+SCHED_FEAT(HRTICK, false)
+SCHED_FEAT(DOUBLE_TICK, false)
+SCHED_FEAT(LB_BIAS, true)
/*
* Spin-wait on mutex acquisition when the mutex owner is running on
* another cpu -- assumes that when the owner is running, it will soon
* release the lock. Decreases scheduling overhead.
*/
-SCHED_FEAT(OWNER_SPIN, 1)
+SCHED_FEAT(OWNER_SPIN, true)
/*
* Decrement CPU power based on time not spent running tasks
*/
-SCHED_FEAT(NONTASK_POWER, 1)
+SCHED_FEAT(NONTASK_POWER, true)
/*
* Queue remote wakeups on the target CPU and process them
* using the scheduler IPI. Reduces rq->lock contention/bounces.
*/
-SCHED_FEAT(TTWU_QUEUE, 1)
+SCHED_FEAT(TTWU_QUEUE, true)
-SCHED_FEAT(FORCE_SD_OVERLAP, 0)
-SCHED_FEAT(RT_RUNTIME_SHARE, 1)
+SCHED_FEAT(FORCE_SD_OVERLAP, false)
+SCHED_FEAT(RT_RUNTIME_SHARE, true)