diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index f5c2971244a3..9015b18d9f24 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -1816,6 +1816,8 @@ sub dump_struct($$) {
 	$members =~ s/__attribute__\s*\(\([a-z,_\*\s\(\)]*\)\)//i;
 	$members =~ s/__aligned\s*\([^;]*\)//gos;
 	$members =~ s/\s*CRYPTO_MINALIGN_ATTR//gos;
+	# replace DECLARE_BITMAP
+	$members =~ s/DECLARE_BITMAP\s*\(([^,)]+), ([^,)]+)\)/unsigned long $1\[BITS_TO_LONGS($2)\]/gos;
 
 	create_parameterlist($members, ';', $file);
 	check_sections($file, $declaration_name, "struct", $sectcheck, $struct_actual, $nested);