[PATCH 1/2] numa, mem-hotplug: Initialize numa_kernel_nodes in numa_clear_kernel_node_hotplug().

[Tang Chen]

On-stack variable numa_kernel_nodes in numa_clear_kernel_node_hotplug()
was not initialized. So we need to initialize it.

Signed-off-by: Tang Chen <tangchen@xxxxxxxxxxxxxx>
Tested-by: Gu Zheng <guz.fnst@xxxxxxxxxxxxxx>
---
 arch/x86/mm/numa.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c
index 81b2750..00c9f09 100644
--- a/arch/x86/mm/numa.c
+++ b/arch/x86/mm/numa.c
@@ -569,6 +569,8 @@ static void __init numa_clear_kernel_node_hotplug(void)
 	unsigned long start, end;
 	struct memblock_type *type = &memblock.reserved;
 
+	nodes_clear(numa_kernel_nodes);
+
 	/* Mark all kernel nodes. */
 	for (i = 0; i < type->cnt; i++)
 		node_set(type->regions[i].nid, numa_kernel_nodes);
-- 
1.8.3.1

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