linux-kernel - [RFC][PATCH v5 11/14] sched: add a SCHED_PACKING

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Message-Id: <1382097147-30088-11-git-send-email-vincent.guittot@linaro.org>
Date:	Fri, 18 Oct 2013 13:52:24 +0200
From:	Vincent Guittot <vincent.guittot@...aro.org>
To:	linux-kernel@...r.kernel.org, peterz@...radead.org,
	mingo@...nel.org, pjt@...gle.com, Morten.Rasmussen@....com,
	cmetcalf@...era.com, tony.luck@...el.com, alex.shi@...el.com,
	preeti@...ux.vnet.ibm.com, linaro-kernel@...ts.linaro.org
Cc:	rjw@...k.pl, paulmck@...ux.vnet.ibm.com, corbet@....net,
	tglx@...utronix.de, len.brown@...el.com, arjan@...ux.intel.com,
	amit.kucheria@...aro.org, l.majewski@...sung.com,
	Vincent Guittot <vincent.guittot@...aro.org>
Subject: [RFC][PATCH v5 11/14] sched: add a SCHED_PACKING_TASKS config

The SCHED_PACKING_TASKS config is used to enable the packing tasks mecanism

Signed-off-by: Vincent Guittot <vincent.guittot@...aro.org>
---
 init/Kconfig |   11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/init/Kconfig b/init/Kconfig
index 3ecd8a1..4d2b5db 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1178,6 +1178,17 @@ config SCHED_AUTOGROUP
 	  desktop applications.  Task group autogeneration is currently based
 	  upon task session.
 
+config SCHED_PACKING_TASKS
+	bool "Automatic tasks packing"
+	depends on SMP && SCHED_MC
+	default n
+	help
+	  This option enable the packing mode of the scheduler.
+	  This mode ensures that the minimal number of CPUs will
+	  be used to handle the activty of the system. The CPUs
+	  are selected to minimized the number of power domain
+	  that must be kept on
+
 config MM_OWNER
 	bool
 
-- 
1.7.9.5

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