diff -Nur busybox-1.1.1/include/applets.h busybox-1.1.1-owrt/include/applets.h
--- busybox-1.1.1/include/applets.h	2006-03-22 22:16:24.000000000 +0100
+++ busybox-1.1.1-owrt/include/applets.h	2006-04-01 18:23:43.000000000 +0200
@@ -154,6 +154,7 @@
 USE_IPTUNNEL(APPLET(iptunnel, iptunnel_main, _BB_DIR_BIN, _BB_SUID_NEVER))
 USE_KILL(APPLET(kill, kill_main, _BB_DIR_BIN, _BB_SUID_NEVER))
 USE_KILLALL(APPLET(killall, kill_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
+USE_KILLALL5(APPLET(killall5, kill_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
 USE_KLOGD(APPLET(klogd, klogd_main, _BB_DIR_SBIN, _BB_SUID_NEVER))
 USE_LASH(APPLET(lash, lash_main, _BB_DIR_BIN, _BB_SUID_NEVER))
 USE_LAST(APPLET(last, last_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
diff -Nur busybox-1.1.1/include/usage.h busybox-1.1.1-owrt/include/usage.h
--- busybox-1.1.1/include/usage.h	2006-03-22 22:16:24.000000000 +0100
+++ busybox-1.1.1-owrt/include/usage.h	2006-04-01 18:22:53.000000000 +0200
@@ -1598,6 +1598,13 @@
 #define killall_example_usage \
 	"$ killall apache\n"
 
+#define killall5_trivial_usage \
+	""
+#define killall5_full_usage \
+	""
+#define killall5_example_usage \
+	""
+
 #define klogd_trivial_usage \
 	"[-c n] [-n]"
 #define klogd_full_usage \
diff -Nur busybox-1.1.1/procps/Config.in busybox-1.1.1-owrt/procps/Config.in
--- busybox-1.1.1/procps/Config.in	2006-03-22 22:16:25.000000000 +0100
+++ busybox-1.1.1-owrt/procps/Config.in	2006-04-01 18:22:53.000000000 +0200
@@ -38,6 +38,11 @@
 	  specified commands.  If no signal name is specified, SIGTERM is
 	  sent.
 
+config CONFIG_KILLALL5
+	bool "killall5"
+	default n
+	depends on CONFIG_KILL
+	
 config CONFIG_PIDOF
 	bool "pidof"
 	default n
diff -Nur busybox-1.1.1/procps/kill.c busybox-1.1.1-owrt/procps/kill.c
--- busybox-1.1.1/procps/kill.c	2006-03-22 22:16:25.000000000 +0100
+++ busybox-1.1.1-owrt/procps/kill.c	2006-04-01 18:22:53.000000000 +0200
@@ -34,6 +34,7 @@
 
 #define KILL 0
 #define KILLALL 1
+#define KILLALL5 2
 
 int kill_main(int argc, char **argv)
 {
@@ -48,6 +49,9 @@
 #else
 	whichApp = KILL;
 #endif
+#ifdef CONFIG_KILLALL5
+	whichApp = (strcmp(bb_applet_name, "killall5") == 0)? KILLALL5 : whichApp;
+#endif
 
 	/* Parse any options */
 	if (argc < 2)
@@ -126,6 +130,20 @@
 		}
 
 	}
+#ifdef CONFIG_KILLALL5
+	else if (whichApp == KILLALL5) {
+		procps_status_t * p;
+		pid_t myPid=getpid();
+		while ((p = procps_scan(0)) != 0) {
+			if (p->pid != 1 && p->pid != myPid && p->pid != p->ppid) {
+				if (kill(p->pid, signo) != 0) {
+					bb_perror_msg( "Could not kill pid '%d'", p->pid);
+					errors++;
+				}
+			}
+		}
+	}
+#endif
 #ifdef CONFIG_KILLALL
 	else {
 		pid_t myPid=getpid();