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| author | Thomas Gleixner <tglx@linutronix.de> | 2010-01-20 20:58:57 +0000 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2010-01-22 18:09:59 +0100 |
| commit | ea87bb7853168434f4a82426dd1ea8421f9e604d (patch) | |
| tree | fcadec9b0fd1c57e4d1b625e2492c13c852972f1 /include | |
| parent | 7c9414385ebfdd87cc542d4e7e3bb0dbb2d3ce25 (diff) | |
| download | op-kernel-dev-ea87bb7853168434f4a82426dd1ea8421f9e604d.zip op-kernel-dev-ea87bb7853168434f4a82426dd1ea8421f9e604d.tar.gz | |
sched: Extend enqueue_task to allow head queueing
The ability of enqueueing a task to the head of a SCHED_FIFO priority
list is required to fix some violations of POSIX scheduling policy.
Extend the related functions with a "head" argument.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Tested-by: Carsten Emde <cbe@osadl.org>
Tested-by: Mathias Weber <mathias.weber.mw1@roche.com>
LKML-Reference: <20100120171629.734886007@linutronix.de>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/sched.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 8b07973..b35c0c7 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1067,7 +1067,8 @@ struct sched_domain; struct sched_class { const struct sched_class *next; - void (*enqueue_task) (struct rq *rq, struct task_struct *p, int wakeup); + void (*enqueue_task) (struct rq *rq, struct task_struct *p, int wakeup, + bool head); void (*dequeue_task) (struct rq *rq, struct task_struct *p, int sleep); void (*yield_task) (struct rq *rq); |
