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From: John Stultz <john.stultz@linaro.org>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	Eric Dumazet <eric.dumazet@gmail.com>,
	Richard Cochran <richardcochran@gmail.com>,
	John Stultz <john.stultz@linaro.org>
Subject: [PATCH 11/16] time: Reorder so the hot data is together
Date: Mon, 14 Nov 2011 20:04:01 -0800	[thread overview]
Message-ID: <1321329846-14755-12-git-send-email-john.stultz@linaro.org> (raw)
In-Reply-To: <1321329846-14755-1-git-send-email-john.stultz@linaro.org>

From: Thomas Gleixner <tglx@linutronix.de>

Keep all the interesting data in a single cache line.

CC: Thomas Gleixner <tglx@linutronix.de>
CC: Eric Dumazet <eric.dumazet@gmail.com>
CC: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Stultz <john.stultz@linaro.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


  parent reply	other threads:[~2011-11-15  4:04 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-15  4:03 [PATCH 00/16] Timekeeping cleanups and locking changes John Stultz
2011-11-15  4:03 ` [PATCH 01/16] time: Move total_sleep_time into the timekeeper structure John Stultz
2011-11-15  4:03 ` [PATCH 02/16] time: Move wall_to_monotonic " John Stultz
2011-11-15  4:03 ` [PATCH 03/16] time: Move xtime into timekeeeper structure John Stultz
2011-11-15  4:03 ` [PATCH 04/16] time: Move raw_time into timekeeper structure John Stultz
2011-11-15  4:03 ` [PATCH 05/16] time: Cleanup global variables and move them to the top John Stultz
2011-11-15  4:03 ` [PATCH 06/16] time: Add timekeeper lock John Stultz
2011-11-15  4:03 ` [PATCH 07/16] ntp: Cleanup timex.h John Stultz
2011-11-15  4:03 ` [PATCH 08/16] ntp: Access tick_length variable via ntp_tick_length() John Stultz
2011-11-15  4:03 ` [PATCH 09/16] ntp: Add ntp_lock to replace xtime_locking John Stultz
2011-11-15  4:04 ` [PATCH 10/16] time: Remove most of xtime_lock usage in timekeeping.c John Stultz
2011-11-15  4:04 ` John Stultz [this message]
2011-11-15  4:04 ` [PATCH 12/16] time: Move common updates to a function John Stultz
2011-11-15  4:04 ` [PATCH 13/16] time: Condense timekeeper.xtime into xtime_sec John Stultz
2011-11-15  4:04 ` [PATCH 14/16] time: Rework timekeeping functions to take timekeeper ptr as argument John Stultz
2011-11-15  4:04 ` [PATCH 15/16] time: Update tiemkeeper structure using a local shadow John Stultz
2011-11-17 22:03   ` John Stultz
2011-11-15  4:04 ` [PATCH 16/16] time: Rework update_vsyscall to pass timekeeper John Stultz

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