linux-kernel - [PATCH] reorder struct prop_local_single to remove padding on 64 bit builds

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Date:	Fri, 01 Aug 2008 13:36:28 +0100
From:	Richard Kennedy <richard@....demon.co.uk>
To:	peterz@...radead.org
Cc:	lkml <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>
Subject: [PATCH] reorder struct prop_local_single to remove padding on 64
	bit builds

reorder structure to remove 8 bytes of padding on 64 bit builds

(also removes 8 bytes from task_struct)

Signed-off-by: Richard Kennedy <richard@....demon.co.uk>
---
patch against 2.6.27-rc1
compiled & tested on AMD64 desktop

Richard


 include/linux/proportions.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/include/linux/proportions.h b/include/linux/proportions.h
index 5afc1b2..cf793bb 100644
--- a/include/linux/proportions.h
+++ b/include/linux/proportions.h
@@ -104,8 +104,8 @@ struct prop_local_single {
 	 * snapshot of the last seen global state
 	 * and a lock protecting this state
 	 */
-	int shift;
 	unsigned long period;
+	int shift;
 	spinlock_t lock;		/* protect the snapshot state */
 };
 
-- 
1.5.5.1



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