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From: tip-bot for Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
To: linux-tip-commits@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, h-shimamoto@ct.jp.nec.com,
	hpa@zytor.com, mingo@redhat.com, a.p.zijlstra@chello.nl,
	tglx@linutronix.de, mingo@elte.hu
Subject: [tip:core/locking] locking, task_struct: Reduce size on TRACE_IRQFLAGS and 64bit
Date: Wed, 2 Dec 2009 10:45:07 GMT	[thread overview]
Message-ID: <tip-fa1452e808732ae10e8b1267fd75fc2d028d634b@git.kernel.org> (raw)
In-Reply-To: <4B135F50.8070302@ct.jp.nec.com>

Commit-ID:  fa1452e808732ae10e8b1267fd75fc2d028d634b
Gitweb:     http://git.kernel.org/tip/fa1452e808732ae10e8b1267fd75fc2d028d634b
Author:     Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
AuthorDate: Mon, 30 Nov 2009 14:59:44 +0900
Committer:  Ingo Molnar <mingo@elte.hu>
CommitDate: Wed, 2 Dec 2009 10:24:37 +0100

locking, task_struct: Reduce size on TRACE_IRQFLAGS and 64bit

Reorder task_struct field for TRACE_IRQFLAGS to remove padding
on 64-bit.

Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <4B135F50.8070302@ct.jp.nec.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 include/linux/sched.h |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 75e6e60..49be8f7 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1421,17 +1421,17 @@ struct task_struct {
 #endif
 #ifdef CONFIG_TRACE_IRQFLAGS
 	unsigned int irq_events;
-	int hardirqs_enabled;
 	unsigned long hardirq_enable_ip;
-	unsigned int hardirq_enable_event;
 	unsigned long hardirq_disable_ip;
+	unsigned int hardirq_enable_event;
 	unsigned int hardirq_disable_event;
-	int softirqs_enabled;
+	int hardirqs_enabled;
+	int hardirq_context;
 	unsigned long softirq_disable_ip;
-	unsigned int softirq_disable_event;
 	unsigned long softirq_enable_ip;
+	unsigned int softirq_disable_event;
 	unsigned int softirq_enable_event;
-	int hardirq_context;
+	int softirqs_enabled;
 	int softirq_context;
 #endif
 #ifdef CONFIG_LOCKDEP

      reply	other threads:[~2009-12-02 10:45 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-11-30  5:59 [PATCH] task_struct: reduce size on TRACE_IRQFLAGS and 64bit Hiroshi Shimamoto
2009-12-02 10:45 ` tip-bot for Hiroshi Shimamoto [this message]

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