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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2008-02-29 15:21:01 -0500
committerIngo Molnar <mingo@elte.hu>2008-03-07 10:42:59 -0500
commit810b38179e9e4d4f57b4b733767bb08f8291a965 (patch)
tree91692de4fbd46879b29d803839b5bf7e25f30cd8 /include/linux/sched.h
parentce4796d1e16cf3761dc2a02b8d588667d05b3078 (diff)
sched: retain vruntime
Kei Tokunaga reported an interactivity problem when moving tasks between control groups. Tasks would retain their old vruntime when moved between groups, this can cause funny lags. Re-set the vruntime on group move to fit within the new tree. Reported-by: Kei Tokunaga <tokunaga.keiich@jp.fujitsu.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/sched.h')
-rw-r--r--include/linux/sched.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 9ae4030067a9..11d8e9a74eff 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -899,6 +899,10 @@ struct sched_class {
899 int running); 899 int running);
900 void (*prio_changed) (struct rq *this_rq, struct task_struct *task, 900 void (*prio_changed) (struct rq *this_rq, struct task_struct *task,
901 int oldprio, int running); 901 int oldprio, int running);
902
903#ifdef CONFIG_FAIR_GROUP_SCHED
904 void (*moved_group) (struct task_struct *p);
905#endif
902}; 906};
903 907
904struct load_weight { 908struct load_weight {