diff --git a/include/linux/fs.h b/include/linux/fs.h
index eedc00b7b1ee7a6c6ed887e264891911fa370c3c..c9e06cc70dad585c6c185db2d1503d3fad4a5a48 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -34,9 +34,9 @@
 #define SEEK_MAX	SEEK_END
 
 struct fstrim_range {
-	uint64_t start;
-	uint64_t len;
-	uint64_t minlen;
+	__u64 start;
+	__u64 len;
+	__u64 minlen;
 };
 
 /* And dynamically-tunable limits and defaults: */