*: 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/libbb/create_icmp6_socket.c b/libbb/create_icmp6_socket.c
index a22ac5d..2065517 100644
--- a/libbb/create_icmp6_socket.c
+++ b/libbb/create_icmp6_socket.c
@@ -9,7 +9,7 @@
#include "libbb.h"
#if ENABLE_FEATURE_IPV6
-int create_icmp6_socket(void)
+int FAST_FUNC create_icmp6_socket(void)
{
int sock;
#if 0