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Subject[tip:timers/core] hrtimer: Cache line align the hrtimer cpu base
Commit-ID:  6d9a1411393d51f17bee3fe163430b21b2cb2de9
Gitweb: http://git.kernel.org/tip/6d9a1411393d51f17bee3fe163430b21b2cb2de9
Author: Thomas Gleixner <tglx@linutronix.de>
AuthorDate: Tue, 14 Apr 2015 21:08:42 +0000
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitDate: Wed, 22 Apr 2015 17:06:49 +0200

hrtimer: Cache line align the hrtimer cpu base

We really want that data structure to start at a cache line boundary.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: Preeti U Murthy <preeti@linux.vnet.ibm.com>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Link: http://lkml.kernel.org/r/20150414203501.417597627@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
include/linux/hrtimer.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 17a59dd..0853f52 100644
--- a/include/linux/hrtimer.h
+++ b/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)
{

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