linux-kernel - [tip:numa/core] sched, numa, mm: Introduce sched_feat

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Date:	Tue, 13 Nov 2012 07:26:10 -0800
From:	tip-bot for Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	torvalds@...ux-foundation.org, a.p.zijlstra@...llo.nl,
	pjt@...gle.com, cl@...ux.com, riel@...hat.com,
	akpm@...ux-foundation.org, Lee.Schermerhorn@...com,
	mgorman@...e.de, tglx@...utronix.de
Subject: [tip:numa/core] sched, numa, mm: Introduce sched_feat_numa()

Commit-ID:  c46c05a7cfb4ce34d1b7cfbf77a58d98c7be6210
Gitweb:     http://git.kernel.org/tip/c46c05a7cfb4ce34d1b7cfbf77a58d98c7be6210
Author:     Peter Zijlstra <a.p.zijlstra@...llo.nl>
AuthorDate: Tue, 1 May 2012 23:47:08 +0200
Committer:  Ingo Molnar <mingo@...nel.org>
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 <a.p.zijlstra@...llo.nl>
Cc: Paul Turner <pjt@...gle.com>
Cc: Lee Schermerhorn <Lee.Schermerhorn@...com>
Cc: Christoph Lameter <cl@...ux.com>
Cc: Rik van Riel <riel@...hat.com>
Cc: Mel Gorman <mgorman@...e.de>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Link: http://lkml.kernel.org/n/tip-sxrRsaqz4cj1plnzyjbtWzbf@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@...nel.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 5eca173..6ac4056 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -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;
--
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