-diff -urN linux-2.6.21.1.old/include/linux/pkt_sched.h linux-2.6.21.1.dev/include/linux/pkt_sched.h
---- linux-2.6.21.1.old/include/linux/pkt_sched.h 2007-04-27 23:49:26.000000000 +0200
-+++ linux-2.6.21.1.dev/include/linux/pkt_sched.h 2007-05-26 20:43:12.530587320 +0200