From: Hugh Dickins <hughd@google.com>
To: Minchan Kim <minchan.kim@gmail.com>
Cc: Miklos Szeredi <miklos@szeredi.hu>,
akpm@linux-foundation.org, linux-fsdevel@vger.kernel.org,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm: add replace_page_cache_page() function
Date: Thu, 16 Dec 2010 18:10:02 -0800 (PST) [thread overview]
Message-ID: <alpine.LSU.2.00.1012161804280.4484@tigran.mtv.corp.google.com> (raw)
In-Reply-To: <AANLkTinhkZKWkthN1R39+6nDbN0xZq-g7jP5-LVLxZ3E@mail.gmail.com>
On Fri, 17 Dec 2010, Minchan Kim wrote:
> On Fri, Dec 17, 2010 at 10:21 AM, Hugh Dickins <hughd@google.com> wrote:
> >
> > I disagree with you there: I like the way Miklos made it symmetric,
> > I like the way delete_from_swap_cache drops the swap cache reference,
> > I dislike the way remove_from_page_cache does not - I did once try to
> > change that, but did a bad job, messed up reiserfs or reiser4 I forget
> > which, retreated in shame.
>
> I agree symmetric is good. I just said current fact which is that
> remove_from_page_cache doesn't release ref.
> So I thought we have to match current semantic to protect confusing.
> Okay. I will not oppose current semantics.
> Instead of it, please add it (ex, caller should hold the page
> reference) in function description.
>
> I am happy to hear that you tried it.
> Although it is hard, I think it's very valuable thing.
> Could you give me hint to googling your effort and why it is failed?
http://lkml.org/lkml/2004/10/24/140
Hugh
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next prev parent reply other threads:[~2010-12-17 2:10 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-15 15:49 Miklos Szeredi
2010-12-15 16:49 ` Rik van Riel
2010-12-15 23:22 ` Minchan Kim
2010-12-16 11:59 ` Miklos Szeredi
2010-12-16 22:04 ` Minchan Kim
2010-12-17 1:21 ` Hugh Dickins
2010-12-17 1:40 ` Minchan Kim
2010-12-17 2:10 ` Hugh Dickins [this message]
2010-12-17 4:37 ` Minchan Kim
2010-12-17 15:53 ` Miklos Szeredi
2010-12-16 1:07 ` KAMEZAWA Hiroyuki
2010-12-16 12:05 ` Miklos Szeredi
2010-12-17 0:01 ` KAMEZAWA Hiroyuki
2010-12-17 15:51 ` Miklos Szeredi
2010-12-19 23:54 ` KAMEZAWA Hiroyuki
2011-01-07 18:22 Miklos Szeredi
2011-01-11 2:29 ` KAMEZAWA Hiroyuki
2011-01-11 3:53 ` Daisuke Nishimura
2011-01-11 9:38 ` Miklos Szeredi
2011-01-11 5:41 ` Minchan Kim
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