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sched: Allow SD_NODES_PER_DOMAIN to be overridden

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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>
This commit is contained in:
Anton Blanchard 2011-07-24 16:33:13 +00:00 committed by Benjamin Herrenschmidt
parent a200d8e446
commit 590e4d8571
2 changed files with 4 additions and 2 deletions
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4
include/linux/topology.h
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@ -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!!!

2
kernel/sched.c
View file

@ -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
/** /**