linux-kernel - [PATCH 6/6] sched: enable SD_IDLE_LOAD_BALANCE on MC, CPU and NUMA (x86) domains

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Message-Id: <1280467146-32218-7-git-send-email-ncrao@google.com>
Date:	Thu, 29 Jul 2010 22:19:06 -0700
From:	Nikhil Rao <ncrao@...gle.com>
To:	Ingo Molnar <mingo@...e.hu>, Peter Zijlstra <peterz@...radead.org>,
	Mike Galbraith <efault@....de>, linux-kernel@...r.kernel.org
Cc:	Venkatesh Pallipadi <venki@...gle.com>,
	Ken Chen <kenchen@...gle.com>, Paul Turner <pjt@...gle.com>,
	Nikhil Rao <ncrao@...gle.com>
Subject: [PATCH 6/6] sched: enable SD_IDLE_LOAD_BALANCE on MC, CPU and NUMA (x86) domains

Enable SD_IDLE_LOAD_BALANCE on MC, CPU and NUMA for x86. This sched
flag enables the idle load balancer on these scheduling domains.

Signed-off-by: Nikhil Rao <ncrao@...gle.com>
---
 arch/x86/include/asm/topology.h |    2 +-
 include/linux/topology.h        |    4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h
index 9f29b4e..8b27b3f 100644
--- a/arch/x86/include/asm/topology.h
+++ b/arch/x86/include/asm/topology.h
@@ -150,7 +150,7 @@ extern unsigned long node_remap_size[];
 				| 0*SD_SHARE_PKG_RESOURCES		\
 				| 1*SD_SERIALIZE			\
 				| 0*SD_PREFER_SIBLING			\
-				| 0*SD_IDLE_LOAD_BALANCE		\
+				| 1*SD_IDLE_LOAD_BALANCE		\
 				,					\
 	.last_balance		= jiffies,				\
 	.balance_interval	= 1,					\
diff --git a/include/linux/topology.h b/include/linux/topology.h
index 97fbb1b..cef87aa 100644
--- a/include/linux/topology.h
+++ b/include/linux/topology.h
@@ -135,7 +135,7 @@ int arch_update_cpu_topology(void);
 				| 0*SD_SHARE_CPUPOWER			\
 				| 1*SD_SHARE_PKG_RESOURCES		\
 				| 0*SD_SERIALIZE			\
-				| 0*SD_IDLE_LOAD_BALANCE		\
+				| 1*SD_IDLE_LOAD_BALANCE		\
 				| sd_balance_for_mc_power()		\
 				| sd_power_saving_flags()		\
 				,					\
@@ -169,7 +169,7 @@ int arch_update_cpu_topology(void);
 				| 0*SD_SHARE_CPUPOWER			\
 				| 0*SD_SHARE_PKG_RESOURCES		\
 				| 0*SD_SERIALIZE			\
-				| 0*SD_IDLE_LOAD_BALANCE		\
+				| 1*SD_IDLE_LOAD_BALANCE		\
 				| sd_balance_for_package_power()	\
 				| sd_power_saving_flags()		\
 				,					\
-- 
1.7.1

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