sched, numa, mm: Introduce sched_feat_numa()

tip:numa/core tip-bot for Peter Zijlstra 1 participant 1 message Nov 13, 2012 Scheduler

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2012-11-13 15:29 UTC #0 lore raw

Commit-ID:  c46c05a7cfb4ce34d1b7cfbf77a58d98c7be6210
Gitweb:     http://git.kernel.org/tip/c46c05a7cfb4ce34d1b7cfbf77a58d98c7be6210
Author:     Peter Zijlstra <[email protected]>
AuthorDate: Tue, 1 May 2012 23:47:08 +0200
Committer:  Ingo Molnar <[email protected]>
CommitDate: Tue, 13 Nov 2012 14:11:48 +0100

sched, numa, mm: Introduce sched_feat_numa()

Avoid a few #ifdef's later on.

Signed-off-by Peter Zijlstra <[email protected]>

Cc Paul Turner <[email protected]>

Cc Lee Schermerhorn <[email protected]>

Cc Christoph Lameter <[email protected]>

Cc Rik van Riel <[email protected]>

Cc Mel Gorman <[email protected]>

Cc Andrew Morton <[email protected]>

Cc Linus Torvalds <[email protected]>

Link http://lkml.kernel.org/n/[email protected] open here

Signed-off-by Ingo Molnar <[email protected]>

---
 kernel/sched/sched.h |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

kernel/sched/sched.h +6 -0

index 5eca173..6ac4056 100644
@@ -663,6 +663,12 @@ extern struct static_key sched_feat_keys[__SCHED_FEAT_NR];
 #define sched_feat(x) (sysctl_sched_features & (1UL << __SCHED_FEAT_##x))
 #endif /* SCHED_DEBUG && HAVE_JUMP_LABEL */
 
+#ifdef CONFIG_NUMA_BALANCING
+#define sched_feat_numa(x) sched_feat(x)
+#else
+#define sched_feat_numa(x) (0)
+#endif
+
 static inline u64 global_rt_period(void)
 {
 	return (u64)sysctl_sched_rt_period * NSEC_PER_USEC;