Subject: + numa-mem-hotplug-initialize-numa_kernel_nodes-in-numa_clear_kernel_node_hotplug.patch added to -mm tree
To: tangchen@xxxxxxxxxxxxxx,davej@xxxxxxxxxx,guz.fnst@xxxxxxxxxxxxxx,hpa@xxxxxxxxx,mingo@xxxxxxx,rientjes@xxxxxxxxxx,tglx@xxxxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Tue, 28 Jan 2014 11:23:05 -0800
The patch titled
Subject: arch/x86/mm/numa.c: initialize numa_kernel_nodes in numa_clear_kernel_node_hotplug()
has been added to the -mm tree. Its filename is
numa-mem-hotplug-initialize-numa_kernel_nodes-in-numa_clear_kernel_node_hotplug.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/numa-mem-hotplug-initialize-numa_kernel_nodes-in-numa_clear_kernel_node_hotplug.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/numa-mem-hotplug-initialize-numa_kernel_nodes-in-numa_clear_kernel_node_hotplug.patch
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------------------------------------------------------
From: Tang Chen <tangchen@xxxxxxxxxxxxxx>
Subject: arch/x86/mm/numa.c: initialize numa_kernel_nodes in numa_clear_kernel_node_hotplug()
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>
Reported-by: Dave Jones <davej@xxxxxxxxxx>
Reported-by: David Rientjes <rientjes@xxxxxxxxxx>
Tested-by: Dave Jones <davej@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/x86/mm/numa.c | 2 ++
1 file changed, 2 insertions(+)
diff -puN arch/x86/mm/numa.c~numa-mem-hotplug-initialize-numa_kernel_nodes-in-numa_clear_kernel_node_hotplug arch/x86/mm/numa.c
--- a/arch/x86/mm/numa.c~numa-mem-hotplug-initialize-numa_kernel_nodes-in-numa_clear_kernel_node_hotplug
+++ a/arch/x86/mm/numa.c
@@ -569,6 +569,8 @@ static void __init numa_clear_kernel_nod
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);
_
Patches currently in -mm which might be from tangchen@xxxxxxxxxxxxxx are
origin.patch
numa-mem-hotplug-initialize-numa_kernel_nodes-in-numa_clear_kernel_node_hotplug.patch
numa-mem-hotplug-initialize-numa_kernel_nodes-in-numa_clear_kernel_node_hotplug-fix.patch
numa-mem-hotplug-fix-array-index-overflow-when-synchronizing-nid-to-memblockreserved.patch
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