[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/hrtimer.h b/include/linux/hrtimer.h
index f57cc7b..9383015 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -45,9 +45,7 @@
* @expires: the absolute expiry time in the hrtimers internal
* representation. The time is related to the clock on
* which the timer is based.
- * @state: state of the timer
* @function: timer expiry callback function
- * @data: argument for the callback function
* @base: pointer to the timer base (per cpu and per clock)
*
* The hrtimer structure must be initialized by init_hrtimer_#CLOCKTYPE()
@@ -55,8 +53,7 @@
struct hrtimer {
struct rb_node node;
ktime_t expires;
- int (*function)(void *);
- void *data;
+ int (*function)(struct hrtimer *);
struct hrtimer_base *base;
};
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 */
diff --git a/include/linux/timer.h b/include/linux/timer.h
index ee5a09e..b5caabc 100644
--- a/include/linux/timer.h
+++ b/include/linux/timer.h
@@ -96,6 +96,7 @@
extern void init_timers(void);
extern void run_local_timers(void);
-extern int it_real_fn(void *);
+struct hrtimer;
+extern int it_real_fn(struct hrtimer *);
#endif