diff options
| author | Rik van Riel <riel@redhat.com> | 2014-10-17 03:29:49 -0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-10-28 10:47:47 +0100 |
| commit | 9942f79baaaf111d63ebf0862a819278d84fccc4 (patch) | |
| tree | e84cd77db609abff116f09911eba9be92610eacd /kernel/sched/sched.h | |
| parent | f3a7e1a9c464a32ee186ab91388313c82e7ce018 (diff) | |
sched/numa: Export info needed for NUMA balancing on complex topologies
Export some information that is necessary to do placement of
tasks on systems with multi-level NUMA topologies.
Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: mgorman@suse.de
Cc: chegu_vinod@hp.com
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/1413530994-9732-2-git-send-email-riel@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched/sched.h')
| -rw-r--r-- | kernel/sched/sched.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 24156c8434d1..443d6e152a03 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -678,6 +678,11 @@ static inline u64 rq_clock_task(struct rq *rq) return rq->clock_task; } +#ifdef CONFIG_NUMA +extern int sched_max_numa_distance; +extern bool find_numa_distance(int distance); +#endif + #ifdef CONFIG_NUMA_BALANCING extern void sched_setnuma(struct task_struct *p, int node); extern int migrate_task_to(struct task_struct *p, int cpu); |