We've fixed the memory hotplug issue with memcg, hence
this work around should not be required.
Reverts: commit 3af229f2071f
("powerpc/numa: Reset node_possible_map to only node_online_map")
Cc: Tejun Heo <tj@xxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Cc: Vladimir Davydov <vdavydov.dev@xxxxxxxxx>
Signed-off-by: Balbir Singh <bsingharora@xxxxxxxxx>
Acked-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
---
arch/powerpc/mm/numa.c | 7 -------
1 file changed, 7 deletions(-)
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index a51c188..ca8c2ab 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -916,13 +916,6 @@ void __init initmem_init(void)
memblock_dump_all();
- /*
- * Reduce the possible NUMA nodes to the online NUMA nodes,
- * since we do not support node hotplug. This ensures that we
- * lower the maximum NUMA node ID to what is actually present.
- */
- nodes_and(node_possible_map, node_possible_map, node_online_map);
-
for_each_online_node(nid) {
unsigned long start_pfn, end_pfn;
--
2.5.5
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