linux-kernel - Re: [PATCH 3/3] percpu: add macro PCPU_CHUNK_AREA_IN

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Message-ID: <20150722002839.GC1834@dhcp-17-102.nay.redhat.com>
Date:	Wed, 22 Jul 2015 08:28:39 +0800
From:	Baoquan He <bhe@...hat.com>
To:	Tejun Heo <tj@...nel.org>
Cc:	cl@...ux-foundation.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] percpu: add macro PCPU_CHUNK_AREA_IN_USE

Hi Tejun,

On 07/21/15 at 11:30am, Tejun Heo wrote:
> On Mon, Jul 20, 2015 at 10:55:30PM +0800, Baoquan He wrote:
> > chunk->map[] contains <offset|in-use flag> of each area. Now add a
> > new macro PCPU_CHUNK_AREA_IN_USE and use it as the in-use flag to
> > replace all magic number '1'.
> > 
> > Signed-off-by: Baoquan He <bhe@...hat.com>
> 
> idk, maybe.  Can you at least go for something shorter?  PCPU_MAP_BUSY
> or whatever?

Thanks for suggestion.

I know this change makes code longer. PCPU_MAP_BUSY is better, I am gonna
repost with it.

Thanks
Baoquan
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