1 files changed, 6 insertions, 0 deletions

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 19860d317ec2..746b57e3d370 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -528,6 +528,12 @@ void sparse_init(void);
 #define sparse_init()   do {} while (0)
 #endif /* CONFIG_SPARSEMEM */
 
+#ifdef CONFIG_NODES_SPAN_OTHER_NODES
+#define early_pfn_in_nid(pfn, nid)      (early_pfn_to_nid(pfn) == (nid))
+#else
+#define early_pfn_in_nid(pfn, nid)      (1)
+#endif
+
 #ifndef early_pfn_valid
 #define early_pfn_valid(pfn)    (1)
 #endif