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Subject[tip:sched/core] sched: Add SCHED_RESET_ON_FORK functionality for nice < 0 tasks
Commit-ID:  6c697bdf08a09ce461e305a22362973036e95db3
Gitweb: http://git.kernel.org/tip/6c697bdf08a09ce461e305a22362973036e95db3
Author: Mike Galbraith <efault@gmx.de>
AuthorDate: Wed, 17 Jun 2009 10:48:02 +0200
Committer: Ingo Molnar <mingo@elte.hu>
CommitDate: Wed, 17 Jun 2009 18:34:18 +0200

sched: Add SCHED_RESET_ON_FORK functionality for nice < 0 tasks

Signed-off-by: Mike Galbraith <efault@gmx.de>
Acked-by: Lennart Poettering <mzxreary@0pointer.de>
Cc: Peter Zijlstra <peterz@infradead.org>
LKML-Reference: <1245228482.27326.1.camel@marge.simson.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>


---
kernel/sched.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/kernel/sched.c b/kernel/sched.c
index 50e4e3d..34f9424 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -2627,6 +2627,11 @@ void sched_fork(struct task_struct *p, int clone_flags)
if (p->normal_prio < DEFAULT_PRIO)
p->prio = DEFAULT_PRIO;

+ if (PRIO_TO_NICE(p->static_prio) < 0) {
+ p->static_prio = NICE_TO_PRIO(0);
+ set_load_weight(p);
+ }
+
/*
* We don't need the reset flag anymore after the fork. It has
* fulfilled its duty:

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