sched/numa: Make CONFIG_SCHED_NUMA configurable

tip:sched/numa tip-bot for Peter Zijlstra 1 participant 1 message Oct 12, 2012

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2012-10-12 11:31 UTC #0 lore raw

Commit-ID:  80dbd27b0bf14fc4359c59accf02e853826bf7e4
Gitweb:     http://git.kernel.org/tip/80dbd27b0bf14fc4359c59accf02e853826bf7e4
Author:     Peter Zijlstra <[email protected]>
AuthorDate: Wed, 10 Oct 2012 19:01:34 +0200
Committer:  Ingo Molnar <[email protected]>
CommitDate: Fri, 12 Oct 2012 12:07:20 +0200

sched/numa: Make CONFIG_SCHED_NUMA configurable

Opt in to this new NUMA scheduling feature, because it does not cure cancer.

Requested-by Ingo Molnar <[email protected]>

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

Cc Linus Torvalds <[email protected]>

Cc Andrew Morton <[email protected]>

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

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

---
 init/Kconfig |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

init/Kconfig +4 -1

index 140645a..c0cdb9a 100644
@@ -692,8 +692,11 @@ config EMBEDDED_NUMA
 	bool
 
 config SCHED_NUMA
-	def_bool y
+	bool "Memory placement aware NUMA scheduler"
+	default n
 	depends on SMP && NUMA && MIGRATION && !EMBEDDED_NUMA
+	help
+	  This option adds support for automatic NUMA aware memory/task placement.
 
 menuconfig CGROUPS
 	boolean "Control Group support"