From: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: [PATCH] task_struct: reduce size on TRACE_IRQFLAGS and 64bit
Date: Mon, 30 Nov 2009 14:59:44 +0900 [thread overview]
Message-ID: <4B135F50.8070302@ct.jp.nec.com> (raw)
From: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Reorder task_struct field for TRACE_IRQFLAGS to remove padding on 64bit.
Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
---
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 b9c0bcd..7341cd7 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
--
1.6.3.3
next reply other threads:[~2009-11-30 6:00 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-30 5:59 Hiroshi Shimamoto [this message]
2009-12-02 10:45 ` [tip:core/locking] locking, task_struct: Reduce size on TRACE_IRQFLAGS and 64bit tip-bot for Hiroshi Shimamoto
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