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authorZhen Lei <thunder.leizhen@huawei.com>2016-09-01 08:55:04 +0200
committerWill Deacon <will.deacon@arm.com>2016-09-09 15:59:09 +0200
commit7ba5f605f3a0d9495aad539eeb8346d726dfc183 (patch)
tree2b237c38880de2d62b37f21a3e2243476a0c4423 /arch/arm64/kernel
parentarm64/numa: remove some useless code (diff)
downloadlinux-7ba5f605f3a0d9495aad539eeb8346d726dfc183.tar.xz
linux-7ba5f605f3a0d9495aad539eeb8346d726dfc183.zip
arm64/numa: remove the limitation that cpu0 must bind to node0
1. Remove the old binding code. 2. Read the nid of cpu0 from dts. 3. Fallback the nid of cpu0 to 0 when numa=off is set in bootargs. Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/kernel')
-rw-r--r--arch/arm64/kernel/smp.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c
index c3c08368a685..8b048e6ec34a 100644
--- a/arch/arm64/kernel/smp.c
+++ b/arch/arm64/kernel/smp.c
@@ -624,6 +624,7 @@ static void __init of_parse_and_init_cpus(void)
}
bootcpu_valid = true;
+ early_map_cpu_to_node(0, of_node_to_nid(dn));
/*
* cpu_logical_map has already been