linux-kernel - Re: [PATCH 04/13] mm: new shrinker API

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Message-ID: <20110823091529.GC21492@infradead.org>
Date:	Tue, 23 Aug 2011 05:15:29 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Dave Chinner <david@...morbit.com>
Cc:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	linux-mm@...ck.org, khlebnikov@...nvz.org
Subject: Re: [PATCH 04/13] mm: new shrinker API

>  /*
>   * A callback you can register to apply pressure to ageable caches.

It's much more than just a single callback these days.

> + * @scan_objects will be made from the current reclaim context.
>   */
>  struct shrinker {
>  	int (*shrink)(struct shrinker *, struct shrink_control *sc);
> +	long (*count_objects)(struct shrinker *, struct shrink_control *sc);
> +	long (*scan_objects)(struct shrinker *, struct shrink_control *sc);

Is shrink_object really such a good name for this method?

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