From: Johannes Weiner <hannes@cmpxchg.org>
To: Konstantin Khlebnikov <khlebnikov@openvz.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Hugh Dickins <hughd@google.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [patch] mm: shmem: use new radix tree iterator
Date: Tue, 5 Feb 2013 13:23:01 -0500 [thread overview]
Message-ID: <20130205182301.GD993@cmpxchg.org> (raw)
In-Reply-To: <510CCD88.30200@openvz.org>
On Sat, Feb 02, 2013 at 12:25:44PM +0400, Konstantin Khlebnikov wrote:
> Johannes Weiner wrote:
> >In shmem_find_get_pages_and_swap, use the faster radix tree iterator
> >construct from 78c1d78 "radix-tree: introduce bit-optimized iterator".
> >
> >Signed-off-by: Johannes Weiner<hannes@cmpxchg.org>
>
> Hmm, ACK. shmem_unuse_inode() also can be redone in this way.
> I did something similar year ago: https://lkml.org/lkml/2012/2/10/388
> As result we can rid of radix_tree_locate_item() and shmem_find_get_pages_and_swap()
I remember your patches and am working on a totally unrelated series
that also gets rid of shmem_find_get_pages_and_swap(). Either way,
this thing's going down, so just I didn't bother with the conversion.
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next prev parent reply other threads:[~2013-02-05 18:23 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-01 6:13 [patch] mm: shmem: use new radix tree iterator Johannes Weiner
2013-02-02 8:25 ` Konstantin Khlebnikov
2013-02-04 3:32 ` Hugh Dickins
2013-02-04 13:29 ` Konstantin Khlebnikov
2013-02-05 18:23 ` Johannes Weiner [this message]
2013-02-04 2:01 ` Hugh Dickins
2013-02-20 12:16 ` Ric Mason
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