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Subject[tip:sched/numa] sched: Introduce sched_feat_numa()
Commit-ID:  8a264705bc0437236a6948ad3b15219006e52fc8
Gitweb: http://git.kernel.org/tip/8a264705bc0437236a6948ad3b15219006e52fc8
Author: Peter Zijlstra <a.p.zijlstra@chello.nl>
AuthorDate: Tue, 1 May 2012 23:47:08 +0200
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Thu, 27 Sep 2012 14:46:04 +0200

sched: Introduce sched_feat_numa()

Avoid a few #ifdef's later on.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Turner <pjt@google.com>
Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/n/tip-sxrRsaqz4cj1plnzyjbtWzbf@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
kernel/sched/sched.h | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 7a7db09..741272e 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -648,6 +648,12 @@ 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_SCHED_NUMA
+#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;

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