linux-kernel - Re: [PATCH 1/3] mm: vmscan: shrink_slab: rename max

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Date:	Wed, 22 Jan 2014 10:11:12 +0400
From:	Vladimir Davydov <vdavydov@...allels.com>
To:	David Rientjes <rientjes@...gle.com>
CC:	<akpm@...ux-foundation.org>, <linux-kernel@...r.kernel.org>,
	<linux-mm@...ck.org>, <devel@...nvz.org>,
	Mel Gorman <mgorman@...e.de>, Michal Hocko <mhocko@...e.cz>,
	Johannes Weiner <hannes@...xchg.org>,
	Rik van Riel <riel@...hat.com>,
	Dave Chinner <dchinner@...hat.com>,
	Glauber Costa <glommer@...il.com>
Subject: Re: [PATCH 1/3] mm: vmscan: shrink_slab: rename max_pass -> freeable

On 01/22/2014 02:22 AM, David Rientjes wrote:
> On Fri, 17 Jan 2014, Vladimir Davydov wrote:
>
>> The name `max_pass' is misleading, because this variable actually keeps
>> the estimate number of freeable objects, not the maximal number of
>> objects we can scan in this pass, which can be twice that. Rename it to
>> reflect its actual meaning.
>>
>> Signed-off-by: Vladimir Davydov <vdavydov@...allels.com>
>> Cc: Andrew Morton <akpm@...ux-foundation.org>
>> Cc: Mel Gorman <mgorman@...e.de>
>> Cc: Michal Hocko <mhocko@...e.cz>
>> Cc: Johannes Weiner <hannes@...xchg.org>
>> Cc: Rik van Riel <riel@...hat.com>
>> Cc: Dave Chinner <dchinner@...hat.com>
>> Cc: Glauber Costa <glommer@...il.com>
> This doesn't compile on linux-next:
>
> mm/vmscan.c: In function ‘shrink_slab_node’:
> mm/vmscan.c:300:23: error: ‘max_pass’ undeclared (first use in this function)
> mm/vmscan.c:300:23: note: each undeclared identifier is reported only once for each function it appears in
>
> because of b01fa2357bca ("mm: vmscan: shrink all slab objects if tight on 
> memory") from an author with a name remarkably similar to yours.

Oh, sorry. I thought it hadn't been committed there yet.

> Could you rebase this series on top of your previous work that is already in -mm?

Sure.

Thanks.
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