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| author | Dario Faggioli <raistlin@linux.it> | 2010-11-30 19:51:33 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-12-08 20:16:00 +0100 |
| commit | 806c09a7db457be3758e14b1f152761135d89af5 (patch) | |
| tree | b0fafff45634be80f3caf7227c5d47317f26e0e9 /kernel | |
| parent | 8e9255e6a2141e050d51bc4d96dbef494a87d653 (diff) | |
| download | linux-806c09a7db457be3758e14b1f152761135d89af5.tar.gz linux-806c09a7db457be3758e14b1f152761135d89af5.tar.bz2 linux-806c09a7db457be3758e14b1f152761135d89af5.zip | |
sched: Make pushable_tasks CONFIG_SMP dependant
As noted by Peter Zijlstra at https://lkml.org/lkml/2010/11/10/391
(while reviewing other stuff, though), tracking pushable tasks
only makes sense on SMP systems.
Signed-off-by: Dario Faggioli <raistlin@linux.it>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Acked-by: Gregory Haskins <ghaskins@novell.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <1291143093.2697.298.camel@Palantir>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index b646dad4a40e..3925a1bbf5dd 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -2595,7 +2595,9 @@ void sched_fork(struct task_struct *p, int clone_flags) /* Want to start with kernel preemption disabled. */ task_thread_info(p)->preempt_count = 1; #endif +#ifdef CONFIG_SMP plist_node_init(&p->pushable_tasks, MAX_PRIO); +#endif put_cpu(); } |