[ported from 2008.3] Add support for quantum alignment

1 files changed, 5 insertions, 0 deletions

diff --git a/include/linux/tick.h b/include/linux/tick.h
index 0482229c07d..4f9ba058abd 100644
--- a/include/linux/tick.h
+++ b/include/linux/tick.h
@@ -71,6 +71,11 @@ extern int tick_is_oneshot_available(void);
 extern struct tick_device *tick_get_device(int cpu);
 
 # ifdef CONFIG_HIGH_RES_TIMERS
+/* LITMUS^RT tick alignment */
+#define LINUX_DEFAULT_TICKS     0
+#define LITMUS_ALIGNED_TICKS    1
+#define LITMUS_STAGGERED_TICKS  2
+
 extern int tick_init_highres(void);
 extern int tick_program_event(ktime_t expires, int force);
 extern void tick_setup_sched_timer(void);