linux-kernel - [PATCH 11/16] time: Reorder so the hot data is together

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Message-Id: <1321329846-14755-12-git-send-email-john.stultz@linaro.org>
Date:	Mon, 14 Nov 2011 20:04:01 -0800
From:	John Stultz <john.stultz@...aro.org>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Richard Cochran <richardcochran@...il.com>,
	John Stultz <john.stultz@...aro.org>
Subject: [PATCH 11/16] time: Reorder so the hot data is together

From: Thomas Gleixner <tglx@...utronix.de>

Keep all the interesting data in a single cache line.

CC: Thomas Gleixner <tglx@...utronix.de>
CC: Eric Dumazet <eric.dumazet@...il.com>
CC: Richard Cochran <richardcochran@...il.com>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Signed-off-by: John Stultz <john.stultz@...aro.org>
---
 kernel/time/timekeeping.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index 810b974..b632678 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -25,6 +25,8 @@
 struct timekeeper {
 	/* Current clocksource used for timekeeping. */
 	struct clocksource *clock;
+	/* NTP adjusted clock multiplier */
+	u32	mult;
 	/* The shift value of the current clocksource. */
 	int	shift;
 
@@ -45,8 +47,6 @@ struct timekeeper {
 	/* Shift conversion between clock shifted nano seconds and
 	 * ntp shifted nano seconds. */
 	int	ntp_error_shift;
-	/* NTP adjusted clock multiplier */
-	u32	mult;
 
 	/* The current time */
 	struct timespec xtime;
-- 
1.7.3.2.146.gca209

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