[PATCH] hrtimers: remove data field

The nanosleep cleanup allows to remove the data field of hrtimer.  The
callback function can use container_of() to get it's own data.  Since the
hrtimer structure is anyway embedded in other structures, this adds no
overhead.

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/linux/sched.h b/include/linux/sched.h
index e0054c1..036d14d2 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -402,6 +402,7 @@
 
 	/* ITIMER_REAL timer for the process */
 	struct hrtimer real_timer;
+	struct task_struct *tsk;
 	ktime_t it_real_incr;
 
 	/* ITIMER_PROF and ITIMER_VIRTUAL timers for the process */