linux-kernel - Re: [PATCH 1/3] mm: add context argument to shrinker callback

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Message-ID: <20100715180946.GA14554@infradead.org>
Date:	Thu, 15 Jul 2010 14:09:46 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Dave Chinner <david@...morbit.com>
Cc:	xfs@....sgi.com, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH 1/3] mm: add context argument to shrinker callback

On Thu, Jul 15, 2010 at 09:46:56PM +1000, Dave Chinner wrote:
> From: Dave Chinner <dchinner@...hat.com>
> 
> The current shrinker implementation requires the registered callback
> to have global state to work from. This makes it difficult to shrink
> caches that are not global (e.g. per-filesystem caches). Pass the shrinker
> structure to the callback so that users can embed the shrinker structure
> in the context the shrinker needs to operate on and get back to it in the
> callback via container_of().
> 
> Signed-off-by: Dave Chinner <dchinner@...hat.com>

Looks good,


Reviewed-by: Christoph Hellwig <hch@....de>

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