From: tip-bot for Mike Galbraith <efault@gmx.de>
To: linux-tip-commits@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@redhat.com,
peterz@infradead.org, efault@gmx.de, mzxreary@0pointer.de,
tglx@linutronix.de, mingo@elte.hu
Subject: [tip:sched/core] sched: Add SCHED_RESET_ON_FORK functionality for nice < 0 tasks
Date: Wed, 17 Jun 2009 16:36:44 GMT [thread overview]
Message-ID: <tip-6c697bdf08a09ce461e305a22362973036e95db3@git.kernel.org> (raw)
In-Reply-To: <1245228482.27326.1.camel@marge.simson.net>
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:
next prev parent reply other threads:[~2009-06-17 16:37 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-15 15:27 [PATCH] scheduler: introduce SCHED_RESET_ON_FORK scheduling policy flag, fourth try Lennart Poettering
2009-06-15 15:37 ` [tip:sched/core] sched: Introduce SCHED_RESET_ON_FORK scheduling policy flag tip-bot for Lennart Poettering
2009-06-16 9:05 ` [PATCH] scheduler: introduce SCHED_RESET_ON_FORK scheduling policy flag, fourth try Mike Galbraith
2009-06-16 16:47 ` Lennart Poettering
2009-06-17 8:46 ` [patch 1/2] " Mike Galbraith
2009-06-17 8:48 ` [patch 2/2] " Mike Galbraith
2009-06-17 16:36 ` tip-bot for Mike Galbraith [this message]
2009-06-17 16:36 ` [tip:sched/core] sched: Clean up SCHED_RESET_ON_FORK tip-bot for Mike Galbraith
2009-06-17 10:32 ` [tip:sched/core] sched: Introduce SCHED_RESET_ON_FORK scheduling policy flag, fix tip-bot for Mike Galbraith
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