linux-kernel - [PATCH] softlockup: fix to allow compiling with !DETECT_HUNG

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Message-ID: <20090116170938.GA11346@google.com>
Date:	Fri, 16 Jan 2009 09:09:38 -0800
From:	Mandeep Singh Baines <msb@...gle.com>
To:	mingo@...e.hu, linux-kernel@...r.kernel.org
Cc:	hannes@...xchg.org, rientjes@...gle.com, mbligh@...gle.com,
	thockin@...gle.com
Subject: [PATCH] softlockup: fix to allow compiling with !DETECT_HUNG_TASK

Ingo Molnar (mingo@...e.hu) wrote:
> 
> doesnt build with !SOFTLOCKUP:
> 
> kernel/fork.c:1049: error: 'struct task_struct' has no member named 'last_switch_count'
> kernel/fork.c:1050: error: 'struct task_struct' has no member named 'last_switch_timestamp'
> 
> Could you send a delta fix patch relative to -v4 please? Thanks,
> 
> 	Ingo

Oops. Will be more careful next time.

---

Fixes the following compile error:

kernel/fork.c:1049: error: 'struct task_struct' has no member named 'last_switch_count'
kernel/fork.c:1050: error: 'struct task_struct' has no member named 'last_switch_timestamp'

Signed-off-by: Mandeep Singh Baines <msb@...gle.com>
---
 kernel/fork.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/fork.c b/kernel/fork.c
index fb1f5e9..d68e59b 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1045,7 +1045,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
 
 	p->default_timer_slack_ns = current->timer_slack_ns;
 
-#ifdef CONFIG_DETECT_SOFTLOCKUP
+#ifdef CONFIG_DETECT_HUNG_TASK
 	p->last_switch_count = 0;
 	p->last_switch_timestamp = 0;
 #endif
-- 
1.5.4.5

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