diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index 2efcbd24c82fcfa8d2741243101eb5df116e2d85..279599e9a779fa80fe4e237d353aa5fe916dedab 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -324,7 +324,7 @@ int page_is_ram(unsigned long pagenr)
 void __init paging_init(void)
 {
 	unsigned long max_zone_pfns[MAX_NR_ZONES];
-	unsigned long lastpfn;
+	unsigned long lastpfn __maybe_unused;
 
 	pagetable_init();