This patch enables CONFIG_NODES_SPAN_OTHER_NODES by default
for NUMA. As some NUMA nodes have memory ranges that span other
nodes. Even though a pfn is valid and between a node's start and
end pfns, it may not reside on that node.
Signed-off-by: Hoan Tran <Hoan@xxxxxxxxxxxxxxxxxxxxxx>
---
mm/page_alloc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index d66bc8a..6335505 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1413,7 +1413,7 @@ int __meminit early_pfn_to_nid(unsigned long pfn)
}
#endif
-#ifdef CONFIG_NODES_SPAN_OTHER_NODES
+#ifdef CONFIG_NUMA
/* Only safe to use early in boot when initialisation is single-threaded */
static inline bool __meminit early_pfn_in_nid(unsigned long pfn, int node)
{
--
2.7.4
