Sorry, add cc Li Shaohua.
Reported-by: Li Shaohua <s...@kernel.org>
On 02/19/2013 09:01 PM, Tang Chen wrote:
early_parse_srat() is called before numa_init(), and has initialized
numa_meminfo. So do not zero numa_meminfo in numa_init(), otherwise
we will lose memory numa info.
Signed-off-by: Tang Chen<tangc...@cn.fujitsu.com>
---
arch/x86/mm/numa.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c
index 3545585..ff3633c 100644
--- a/arch/x86/mm/numa.c
+++ b/arch/x86/mm/numa.c
@@ -559,10 +559,12 @@ static int __init numa_init(int (*init_func)(void))
for (i = 0; i< MAX_LOCAL_APIC; i++)
set_apicid_to_node(i, NUMA_NO_NODE);
- /* Do not clear numa_nodes_parsed because SRAT was parsed earlier. */
+ /*
+ * Do not clear numa_nodes_parsed or zero numa_meminfo here, because
+ * SRAT was parsed earlier in early_parse_srat().
+ */
nodes_clear(node_possible_map);
nodes_clear(node_online_map);
- memset(&numa_meminfo, 0, sizeof(numa_meminfo));
WARN_ON(memblock_set_node(0, ULLONG_MAX, MAX_NUMNODES));
numa_reset_distance();
--
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