diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index e0f138a..ceb45a8 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -511,7 +511,7 @@ static int page_is_consistent(struct zone *zone, struct page *page)
 /*
  * Temporary debugging check for pages not lying within a given zone.
  */
-static int bad_range(struct zone *zone, struct page *page)
+static int __maybe_unused bad_range(struct zone *zone, struct page *page)
 {
 	if (page_outside_zone_boundaries(zone, page))
 		return 1;
@@ -521,7 +521,7 @@ static int bad_range(struct zone *zone, struct page *page)
 	return 0;
 }
 #else
-static inline int bad_range(struct zone *zone, struct page *page)
+static inline int __maybe_unused bad_range(struct zone *zone, struct page *page)
 {
 	return 0;
 }
@@ -1297,8 +1297,9 @@ int __meminit early_pfn_to_nid(unsigned long pfn)
 #endif
 
 #ifdef CONFIG_NODES_SPAN_OTHER_NODES
-static inline bool __meminit meminit_pfn_in_nid(unsigned long pfn, int node,
-					struct mminit_pfnnid_cache *state)
+static inline bool __meminit __maybe_unused
+meminit_pfn_in_nid(unsigned long pfn, int node,
+		   struct mminit_pfnnid_cache *state)
 {
 	int nid;
 
@@ -1320,8 +1321,9 @@ static inline bool __meminit early_pfn_in_nid(unsigned long pfn, int node)
 {
 	return true;
 }
-static inline bool __meminit meminit_pfn_in_nid(unsigned long pfn, int node,
-					struct mminit_pfnnid_cache *state)
+static inline bool __meminit  __maybe_unused
+meminit_pfn_in_nid(unsigned long pfn, int node,
+		   struct mminit_pfnnid_cache *state)
 {
 	return true;
 }