*: introduce and use FAST_FUNC: regparm on i386, otherwise no-on
text data bss dec hex filename
808035 611 6868 815514 c719a busybox_old
804472 611 6868 811951 c63af busybox_unstripped
diff --git a/selinux/chcon.c b/selinux/chcon.c
index 288e93a..505ae4f 100644
--- a/selinux/chcon.c
+++ b/selinux/chcon.c
@@ -28,7 +28,7 @@
static char *range = NULL;
static char *specified_context = NULL;
-static int change_filedir_context(
+static int FAST_FUNC change_filedir_context(
const char *fname,
struct stat *stbuf ATTRIBUTE_UNUSED,
void *userData ATTRIBUTE_UNUSED,