diff options
Diffstat (limited to 'include/linux/timer.h')
| -rw-r--r-- | include/linux/timer.h | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/include/linux/timer.h b/include/linux/timer.h index a2d1eb6cb3f..38cf093ef62 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]; @@ -94,6 +100,13 @@ void init_timer_deferrable_key(struct timer_list *timer, setup_timer_on_stack_key((timer), #timer, &__key, \ (fn), (data)); \ } while (0) +#define setup_deferrable_timer_on_stack(timer, fn, data) \ + do { \ + static struct lock_class_key __key; \ + setup_deferrable_timer_on_stack_key((timer), #timer, \ + &__key, (fn), \ + (data)); \ + } while (0) #else #define init_timer(timer)\ init_timer_key((timer), NULL, NULL) @@ -105,6 +118,8 @@ void init_timer_deferrable_key(struct timer_list *timer, setup_timer_key((timer), NULL, NULL, (fn), (data)) #define setup_timer_on_stack(timer, fn, data)\ setup_timer_on_stack_key((timer), NULL, NULL, (fn), (data)) +#define setup_deferrable_timer_on_stack(timer, fn, data)\ + setup_deferrable_timer_on_stack_key((timer), NULL, NULL, (fn), (data)) #endif #ifdef CONFIG_DEBUG_OBJECTS_TIMERS @@ -144,6 +159,12 @@ static inline void setup_timer_on_stack_key(struct timer_list *timer, init_timer_on_stack_key(timer, name, key); } +extern void setup_deferrable_timer_on_stack_key(struct timer_list *timer, + const char *name, + struct lock_class_key *key, + void (*function)(unsigned long), + unsigned long data); + /** * timer_pending - is a timer pending? * @timer: the timer in question @@ -165,6 +186,8 @@ 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 /* |