diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 6a3baa0..6705576 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -339,6 +339,11 @@
 	| $NON_ASCII_UTF8
 }x;
 
+our $typeOtherOSTypedefs = qr{(?x:
+	u_(?:char|short|int|long) |          # bsd
+	u(?:nchar|short|int|long)            # sysv
+)};
+
 our $typeTypedefs = qr{(?x:
 	(?:__)?(?:u|s|be|le)(?:8|16|32|64)|
 	atomic_t
@@ -475,6 +480,7 @@
 			(?:$Modifier\s+|const\s+)*
 			(?:
 				(?:typeof|__typeof__)\s*\([^\)]*\)|
+				(?:$typeOtherOSTypedefs\b)|
 				(?:$typeTypedefs\b)|
 				(?:${all}\b)
 			)
@@ -492,6 +498,7 @@
 			(?:
 				(?:typeof|__typeof__)\s*\([^\)]*\)|
 				(?:$typeTypedefs\b)|
+				(?:$typeOtherOSTypedefs\b)|
 				(?:${allWithAttr}\b)
 			)
 			(?:\s+$Modifier|\s+const)*
@@ -3159,6 +3166,7 @@
 		    $line !~ /\btypedef\s+$Type\s*\(\s*\*?$Ident\s*\)\s*\(/ &&
 		    $line !~ /\btypedef\s+$Type\s+$Ident\s*\(/ &&
 		    $line !~ /\b$typeTypedefs\b/ &&
+		    $line !~ /\b$typeOtherOSTypedefs\b/ &&
 		    $line !~ /\b__bitwise(?:__|)\b/) {
 			WARN("NEW_TYPEDEFS",
 			     "do not add new typedefs\n" . $herecurr);