--- zzzz-none-000/linux-3.10.107/arch/tile/include/asm/mmzone.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/tile/include/asm/mmzone.h	2021-02-04 17:41:59.000000000 +0000
@@ -42,7 +42,7 @@
 
 #define kern_addr_valid(kaddr)	virt_addr_valid((void *)kaddr)
 
-static inline int pfn_valid(int pfn)
+static inline int pfn_valid(unsigned long pfn)
 {
 	int nid = pfn_to_nid(pfn);