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From: Michael Wang <wangyun@linux.vnet.ibm.com>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Ingo Molnar <mingo@kernel.org>, Mike Galbraith <efault@gmx.de>,
	Namhyung Kim <namhyung@kernel.org>, Alex Shi <alex.shi@intel.com>,
	Paul Turner <pjt@google.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	"Nikunj A. Dadhania" <nikunj@linux.vnet.ibm.com>,
	Ram Pai <linuxram@us.ibm.com>
Subject: Re: [PATCH] sched: wakeup buddy
Date: Fri, 08 Mar 2013 10:33:21 +0800	[thread overview]
Message-ID: <51394DF1.1030708@linux.vnet.ibm.com> (raw)
In-Reply-To: <1362676917.10972.23.camel@laptop>

On 03/08/2013 01:21 AM, Peter Zijlstra wrote:
> On Wed, 2013-03-06 at 15:06 +0800, Michael Wang wrote:
>> +static inline int wakeup_related(struct task_struct *p)
>> +{
>> +       if (wakeup_buddy(p, current)) {
>> +               /*
>> +                * Now check whether current still focus on his buddy.
>> +                */
>> +               if (wakeup_buddy(current, p))
>> +                       return 1;
>> +       }
>> +
>> +       return 0;
>> +}
> 
> Not commenting on the thing in general, but:
> 
> static inline bool wakeup_related(struct task_struct *p)
> {
> 	return wakeup_buddy(p, current) && wakeup_buddy(current, p);
> }
> 
> is far shorter and easier to read :-)

Right, I will correct it :)

Regards,
Michael Wang

> 


  reply	other threads:[~2013-03-08  2:33 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-06  7:06 [PATCH] sched: wakeup buddy Michael Wang
2013-03-07  8:36 ` Peter Zijlstra
2013-03-07  9:43   ` Mike Galbraith
2013-03-08  2:37     ` Michael Wang
2013-03-08  6:44       ` Mike Galbraith
2013-03-08  7:30         ` Michael Wang
2013-03-08  8:26           ` Mike Galbraith
2013-03-11  2:42             ` Michael Wang
2013-03-07  9:46   ` Michael Wang
2013-03-07 16:52     ` Peter Zijlstra
2013-03-08  2:31       ` Michael Wang
2013-03-11  8:21   ` Ingo Molnar
2013-03-11  9:14     ` Michael Wang
2013-03-11  9:40       ` Ingo Molnar
2013-03-12  6:00         ` Michael Wang
2013-03-12  8:48           ` Ingo Molnar
2013-03-12  9:41             ` Michael Wang
2013-03-07 17:21 ` Peter Zijlstra
2013-03-08  2:33   ` Michael Wang [this message]
2013-03-07 17:27 ` Peter Zijlstra
2013-03-08  2:50   ` Michael Wang
2013-03-11 10:36     ` Peter Zijlstra
2013-03-12  3:23       ` Michael Wang
2013-03-12 10:08         ` Peter Zijlstra
2013-03-13  3:07           ` Michael Wang
2013-03-14 10:58             ` Peter Zijlstra
2013-03-15  6:24               ` Michael Wang
2013-03-18  3:26                 ` Michael Wang

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