From: Christoph Hellwig <hch@infradead.org>
To: Dave Chinner <david@fromorbit.com>
Cc: Christoph Hellwig <hch@infradead.org>,
linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-mm@kvack.org, khlebnikov@openvz.org
Subject: Re: [PATCH 04/13] mm: new shrinker API
Date: Wed, 24 Aug 2011 02:17:43 -0400 [thread overview]
Message-ID: <20110824061743.GC24077@infradead.org> (raw)
In-Reply-To: <20110823092330.GY3162@dastard>
On Tue, Aug 23, 2011 at 07:23:30PM +1000, Dave Chinner wrote:
> > 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?
>
> Apart from the fact it is called "scan_objects", I'm open to more
> appropriate names. I called is "scan_objects" because of the fact we
> are asking to scan (rather than free) a specific number objects on
> the LRU, and it matches with the "sc->nr_to_scan" control field.
Shrink_objects actually was my suggestion - while we are asked to scan
the objects the scan really isn't the main purpose of it.
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next prev parent reply other threads:[~2011-08-24 6:17 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-23 8:56 [PATCH 00/12] RFC: shrinker APi rework and generic LRU lists Dave Chinner
2011-08-23 8:56 ` [PATCH 01/13] fs: Use a common define for inode slab caches Dave Chinner
2011-08-23 9:13 ` Christoph Hellwig
2011-08-23 9:20 ` Dave Chinner
2011-08-24 6:16 ` Christoph Hellwig
2011-08-23 8:56 ` [PATCH 02/13] dcache: convert dentry_stat.nr_unused to per-cpu counters Dave Chinner
2011-08-23 9:13 ` Christoph Hellwig
2011-08-24 14:12 ` Christoph Lameter
2011-08-23 8:56 ` [PATCH 03/13] dentry: move to per-sb LRU locks Dave Chinner
2011-08-24 6:16 ` Christoph Hellwig
2011-08-23 8:56 ` [PATCH 04/13] mm: new shrinker API Dave Chinner
2011-08-23 9:15 ` Christoph Hellwig
2011-08-23 9:23 ` Dave Chinner
2011-08-24 6:17 ` Christoph Hellwig [this message]
2011-08-23 8:56 ` [PATCH 05/13] mm: convert shrinkers to use new API Dave Chinner
2011-08-23 9:17 ` Christoph Hellwig
2011-08-23 9:35 ` Steven Whitehouse
2011-08-26 17:09 ` Wanlong Gao
2011-08-23 8:56 ` [PATCH 06/13] shrinker: remove old API now it is unused Dave Chinner
2011-08-23 8:56 ` [PATCH 07/13] Use atomic-long operations instead of looping around cmpxchg() Dave Chinner
2011-08-23 8:56 ` [PATCH 08/13] list: add a new LRU list type Dave Chinner
2011-08-23 9:20 ` Christoph Hellwig
2011-08-23 9:32 ` Dave Chinner
2011-08-23 9:58 ` Konstantin Khlebnikov
2011-08-24 14:24 ` Christoph Lameter
2011-08-23 8:56 ` [PATCH 09/13] inode: convert inode lru list to generic lru list code Dave Chinner
2011-08-24 6:38 ` Christoph Hellwig
2011-08-23 8:56 ` [PATCH 10/13] xfs: convert buftarg LRU to generic code Dave Chinner
2011-08-24 6:27 ` Christoph Hellwig
2011-08-23 8:56 ` [PATCH 11/13] dcache: use a dispose list in select_parent Dave Chinner
2011-08-23 9:37 ` Christoph Hellwig
2011-09-05 9:42 ` Christoph Hellwig
2011-08-23 8:56 ` [PATCH 12/13] dcache: remove dentries from LRU before putting on dispose list Dave Chinner
2011-08-23 9:35 ` Christoph Hellwig
2011-08-23 9:57 ` Dave Chinner
2011-08-23 8:56 ` [PATCH 13/13] dcache: convert to use new lru list infrastructure Dave Chinner
2011-08-24 6:32 ` Christoph Hellwig
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