diff --git a/include/uapi/linux/nfs4.h b/include/uapi/linux/nfs4.h
index 788128ebac45e4238a0a2338a494d5f4eb74dfac..35f5f4c6c260df7ed2ee74b845522a485ed5394e 100644
--- a/include/uapi/linux/nfs4.h
+++ b/include/uapi/linux/nfs4.h
@@ -150,7 +150,7 @@
 #define NFS4_SECINFO_STYLE4_CURRENT_FH	0
 #define NFS4_SECINFO_STYLE4_PARENT	1
 
-#define NFS4_MAX_UINT64	(~(u64)0)
+#define NFS4_MAX_UINT64	(~(__u64)0)
 
 /* An NFS4 sessions server must support at least NFS4_MAX_OPS operations.
  * If a compound requires more operations, adjust NFS4_MAX_OPS accordingly.
diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h
index e244ed412745e544cf480c549d2439c6522cfb98..853bc1ccb39552ab5c06d08514a75862aa7c1680 100644
--- a/include/uapi/linux/perf_event.h
+++ b/include/uapi/linux/perf_event.h
@@ -788,7 +788,7 @@ union perf_mem_data_src {
 #define PERF_MEM_TLB_SHIFT	26
 
 #define PERF_MEM_S(a, s) \
-	(((u64)PERF_MEM_##a##_##s) << PERF_MEM_##a##_SHIFT)
+	(((__u64)PERF_MEM_##a##_##s) << PERF_MEM_##a##_SHIFT)
 
 /*
  * single taken branch record layout: