From: Reza Arbab <arbab@xxxxxxxxxxxxxxxxxx>
Remove the check which prevents us from hotplugging into an empty node.
Signed-off-by: Reza Arbab <arbab@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Anshuman Khandual <khandual@xxxxxxxxxxxxxxxxxx>
---
arch/powerpc/mm/numa.c | 13 +------------
1 file changed, 1 insertion(+), 12 deletions(-)
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 42fcc8e..5010181 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -1091,7 +1091,7 @@ static int hot_add_node_scn_to_nid(unsigned long scn_addr)
int hot_add_scn_to_nid(unsigned long scn_addr)
{
struct device_node *memory = NULL;
- int nid, found = 0;
+ int nid;
if (!numa_enabled || (min_common_depth < 0))
return first_online_node;
@@ -1107,17 +1107,6 @@ int hot_add_scn_to_nid(unsigned long scn_addr)
if (nid < 0 || !node_online(nid))
nid = first_online_node;
- if (NODE_DATA(nid)->node_spanned_pages)
- return nid;
-
- for_each_online_node(nid) {
- if (NODE_DATA(nid)->node_spanned_pages) {
- found = 1;
- break;
- }
- }
-
- BUG_ON(!found);
return nid;
}
--
2.1.0
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