linux-kernel - [PATCH 17/43] sched, mm, x86: Add the ARCH_SUPPORTS_NUMA

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Date:	Fri, 16 Nov 2012 11:22:27 +0000
From:	Mel Gorman <mgorman@...e.de>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Ingo Molnar <mingo@...nel.org>
Cc:	Rik van Riel <riel@...hat.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Hugh Dickins <hughd@...gle.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux-MM <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>, Mel Gorman <mgorman@...e.de>
Subject: [PATCH 17/43] sched, mm, x86: Add the ARCH_SUPPORTS_NUMA_BALANCING flag

From: Ingo Molnar <mingo@...nel.org>

Allow architectures to opt-in to the adaptive affinity NUMA balancing code.

Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Andrea Arcangeli <aarcange@...hat.com>
Cc: Rik van Riel <riel@...hat.com>
Cc: Mel Gorman <mgorman@...e.de>
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 init/Kconfig |    7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/init/Kconfig b/init/Kconfig
index 6fdd6e3..17434ca 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -696,6 +696,13 @@ config LOG_BUF_SHIFT
 config HAVE_UNSTABLE_SCHED_CLOCK
 	bool
 
+#
+# For architectures that want to enable the PROT_NUMA driven,
+# NUMA-affine scheduler balancing logic:
+#
+config ARCH_SUPPORTS_NUMA_BALANCING
+	bool
+
 menuconfig CGROUPS
 	boolean "Control Group support"
 	depends on EVENTFD
-- 
1.7.9.2

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