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authorGanapatrao Kulkarni <gkulkarni@caviumnetworks.com>2016-04-08 15:50:27 -0700
committerWill Deacon <will.deacon@arm.com>2016-04-15 18:06:09 +0100
commit1a2db300348b799479d2d22b84d51b27ad0458c7 (patch)
treec9e3329f00575143dae72e14725b9e48161e34d7 /arch/arm64/kernel/setup.c
parent3194ac6e66cc7a00c1fa9fecf33a7c376b489497 (diff)
arm64, numa: Add NUMA support for arm64 platforms.
Attempt to get the memory and CPU NUMA node via of_numa. If that fails, default the dummy NUMA node and map all memory and CPUs to node 0. Tested-by: Shannon Zhao <shannon.zhao@linaro.org> Reviewed-by: Robert Richter <rrichter@cavium.com> Signed-off-by: Ganapatrao Kulkarni <gkulkarni@caviumnetworks.com> Signed-off-by: David Daney <david.daney@cavium.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/kernel/setup.c')
-rw-r--r--arch/arm64/kernel/setup.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index 432bc7f1dc45..65f515949baa 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -53,6 +53,7 @@
#include <asm/cpufeature.h>
#include <asm/cpu_ops.h>
#include <asm/kasan.h>
+#include <asm/numa.h>
#include <asm/sections.h>
#include <asm/setup.h>
#include <asm/smp_plat.h>
@@ -319,6 +320,9 @@ static int __init topology_init(void)
{
int i;
+ for_each_online_node(i)
+ register_one_node(i);
+
for_each_possible_cpu(i) {
struct cpu *cpu = &per_cpu(cpu_data.cpu, i);
cpu->hotpluggable = 1;