1 files changed, 9 insertions, 1 deletions

diff --git a/include/linux/timer.h b/include/linux/timer.h
index a2d1eb6cb3f..ea965b857a5 100644
--- a/include/linux/timer.h
+++ b/include/linux/timer.h
@@ -10,13 +10,19 @@
 struct tvec_base;
 
 struct timer_list {
+        /*
+         * All fields that change during normal runtime grouped to the
+         * same cacheline
+         */
         struct list_head entry;
         unsigned long expires;
+        struct tvec_base *base;
 
         void (*function)(unsigned long);
         unsigned long data;
 
-        struct tvec_base *base;
+        int slack;
+
 #ifdef CONFIG_TIMER_STATS
         void *start_site;
         char start_comm[16];
@@ -165,6 +171,8 @@ extern int mod_timer(struct timer_list *timer, unsigned long expires);
 extern int mod_timer_pending(struct timer_list *timer, unsigned long expires);
 extern int mod_timer_pinned(struct timer_list *timer, unsigned long expires);
 
+extern void set_timer_slack(struct timer_list *time, int slack_hz);
+
 #define TIMER_NOT_PINNED        0
 #define TIMER_PINNED            1
 /*