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Commit 590e4d85 authored Jul 24, 2011 by Anton Blanchard Committed by Benjamin Herrenschmidt Sep 20, 2011

sched: Allow SD_NODES_PER_DOMAIN to be overridden



We want to override the default value of SD_NODES_PER_DOMAIN on ppc64,
so move it into linux/topology.h.

Signed-off-by: Anton Blanchard <anton@samba.org>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

parent a200d8e4

include/linux/topology.h

+4 −0

Original line number	Original line	Diff line number	Diff line
	@@ -201,6 +201,10 @@ int arch_update_cpu_topology(void);
	.balance_interval = 64, \		.balance_interval = 64, \
	}		}

			#ifndef SD_NODES_PER_DOMAIN
			#define SD_NODES_PER_DOMAIN 16
			#endif

	#ifdef CONFIG_SCHED_BOOK		#ifdef CONFIG_SCHED_BOOK
	#ifndef SD_BOOK_INIT		#ifndef SD_BOOK_INIT
	#error Please define an appropriate SD_BOOK_INIT in include/asm/topology.h!!!		#error Please define an appropriate SD_BOOK_INIT in include/asm/topology.h!!!

kernel/sched.c

+0 −2

Original line number	Original line	Diff line number	Diff line
	@@ -6947,8 +6947,6 @@ static int __init isolated_cpu_setup(char *str)

	__setup("isolcpus=", isolated_cpu_setup);		__setup("isolcpus=", isolated_cpu_setup);

	#define SD_NODES_PER_DOMAIN 16

	#ifdef CONFIG_NUMA		#ifdef CONFIG_NUMA

	/**		/**