uapi: convert u64 to __u64 in exported headers

The u64 type is not defined in any exported kernel headers, so trying to
use it will lead to build failures.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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.

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: