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-rw-r--r--include/linux/hrtimer.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index cb25c1cc2352..58bca8e9bae1 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -103,9 +103,14 @@ enum hrtimer_cb_mode {
/**
* struct hrtimer - the basic hrtimer structure
* @node: red black tree node for time ordered insertion
- * @expires: the absolute expiry time in the hrtimers internal
+ * @_expires: the absolute expiry time in the hrtimers internal
* representation. The time is related to the clock on
- * which the timer is based.
+ * which the timer is based. Is setup by adding
+ * slack to the _softexpires value. For non range timers
+ * identical to _softexpires.
+ * @_softexpires: the absolute earliest expiry time of the hrtimer.
+ * The time which was given as expiry time when the timer
+ * was armed.
* @function: timer expiry callback function
* @base: pointer to the timer base (per cpu and per clock)
* @state: state information (See bit values above)