We really want that data structure to start at a cache line boundary. Signed-off-by: Thomas Gleixner --- include/linux/hrtimer.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: tip/include/linux/hrtimer.h =================================================================== --- tip.orig/include/linux/hrtimer.h +++ tip/include/linux/hrtimer.h @@ -191,7 +191,7 @@ struct hrtimer_cpu_base { unsigned int max_hang_time; #endif struct hrtimer_clock_base clock_base[HRTIMER_MAX_CLOCK_BASES]; -}; +} ____cacheline_aligned; static inline void hrtimer_set_expires(struct hrtimer *timer, ktime_t time) {