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authorAnton Blanchard <anton@samba.org>2011-07-24 16:33:13 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2011-09-20 15:53:21 +1000
commit590e4d857153c5d4cf86052cdfd42cf9b0779841 (patch)
treeb8de0d7c163b81050f8c95f1b59ccbf05aed5d8f
parenta200d8e44649de2cbb39de95f42ad4ef5dc8dc22 (diff)
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>
-rw-r--r--include/linux/topology.h4
-rw-r--r--kernel/sched.c2
2 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/topology.h b/include/linux/topology.h
index fc839bfa7935..e26db031303b 100644
--- a/include/linux/topology.h
+++ b/include/linux/topology.h
@@ -201,6 +201,10 @@ int arch_update_cpu_topology(void);
.balance_interval = 64, \
}
+#ifndef SD_NODES_PER_DOMAIN
+#define SD_NODES_PER_DOMAIN 16
+#endif
+
#ifdef CONFIG_SCHED_BOOK
#ifndef SD_BOOK_INIT
#error Please define an appropriate SD_BOOK_INIT in include/asm/topology.h!!!
diff --git a/kernel/sched.c b/kernel/sched.c
index ec5f472bc5b9..d258b2d9a66d 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -6947,8 +6947,6 @@ static int __init isolated_cpu_setup(char *str)
__setup("isolcpus=", isolated_cpu_setup);
-#define SD_NODES_PER_DOMAIN 16
-
#ifdef CONFIG_NUMA
/**