From: Richard Kennedy <richard@rsk.demon.co.uk>
To: tglx@linutronix.de
Cc: lkml <linux-kernel@vger.kernel.org>
Subject: [PATCH] hrtimer: reorder struct hrtimer to save 8 bytes on 64 bit builds
Date: Fri, 01 Aug 2008 13:11:49 +0100 [thread overview]
Message-ID: <1217592709.2953.7.camel@castor.localdomain> (raw)
reorder struct hrtimer to save 8 bytes on 64 bit builds when
CONFIG_TIMER_STATS selected.
(also removes 8 bytes from signal_struct)
Signed-off-by: Richard Kennedy <richard@rsk.demon.co.uk>
---
patch against 2.6.27-rc1.
compiled & tested on AMD64 desktop machine.
richard
include/linux/hrtimer.h | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 6d93dce..7d1dcf9 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -115,12 +115,12 @@ struct hrtimer {
enum hrtimer_restart (*function)(struct hrtimer *);
struct hrtimer_clock_base *base;
unsigned long state;
- enum hrtimer_cb_mode cb_mode;
struct list_head cb_entry;
+ enum hrtimer_cb_mode cb_mode;
#ifdef CONFIG_TIMER_STATS
+ int start_pid;
void *start_site;
char start_comm[16];
- int start_pid;
#endif
};
--
1.5.5.1
reply other threads:[~2008-08-01 12:12 UTC|newest]
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