Index: linux-2.6.18/kernel/sched.c
===================================================================
--- linux-2.6.18.orig/kernel/sched.c	2006-10-06 17:45:54.000000000 -0400
+++ linux-2.6.18/kernel/sched.c	2006-10-09 11:42:45.000000000 -0400
@@ -54,6 +54,8 @@
 #include <linux/delayacct.h>
 #include <asm/tlb.h>
 
+#include <linux/logdev.h>
+
 #include <asm/unistd.h>
 
 /*
@@ -1826,6 +1828,8 @@ context_switch(struct rq *rq, struct tas
 	spin_release(&rq->lock.dep_map, 1, _THIS_IP_);
 #endif
 
+	logdev_record_switch(prev, next);
+
 	/* Here we just switch the register state and the stack. */
 	switch_to(prev, next, prev);