From: Hugh Dickins <hugh@veritas.com>
To: Dave McCracken <dmccr@us.ibm.com>
Cc: Andrew Morton <akpm@digeo.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2.5.66-mm2] Fix page_convert_anon locking issues
Date: Thu, 3 Apr 2003 01:06:16 +0100 (BST) [thread overview]
Message-ID: <Pine.LNX.4.44.0304030101430.1279-100000@localhost.localdomain> (raw)
In-Reply-To: <102170000.1049325787@baldur.austin.ibm.com>
On Wed, 2 Apr 2003, Dave McCracken wrote:
> --On Wednesday, April 02, 2003 15:09:03 -0800 Andrew Morton
> <akpm@digeo.com> wrote:
> >
> > How about setting PageAnon at the _start_ of the operation?
> > page_remove_rmap() will cope with that OK.
>
> Hmm... I was gonna say that page_remove_rmap will BUG() if it doesn't find
> the entry, but it's only under DEBUG and could easily be changed. Lemme
> think on this one a bit. I need to assure myself it's safe to go unlocked
> in the middle.
Yes, it's an interesting idea, but by no means clear it's safe.
I'll think about it too, but sorry, no more tonight.
Hugh
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prev parent reply other threads:[~2003-04-03 0:06 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-02 17:13 Dave McCracken
2003-04-02 21:29 ` Andrew Morton
2003-04-02 21:56 ` Dave McCracken
2003-04-02 23:09 ` Andrew Morton
2003-04-02 23:23 ` Dave McCracken
2003-04-02 23:38 ` Andrew Morton
2003-04-02 23:42 ` Dave McCracken
2003-04-02 23:52 ` Andrew Morton
2003-04-02 23:58 ` Dave McCracken
2003-04-03 14:49 ` Dave McCracken
2003-04-03 15:38 ` Hugh Dickins
2003-04-03 16:00 ` Dave McCracken
2003-04-03 16:33 ` Hugh Dickins
2003-04-03 16:39 ` Dave McCracken
2003-04-03 20:00 ` Andrew Morton
2003-04-03 20:06 ` Andrew Morton
2003-04-03 20:56 ` Andrew Morton
2003-04-03 21:01 ` Dave McCracken
2003-04-02 23:59 ` Hugh Dickins
2003-04-03 0:06 ` Hugh Dickins [this message]
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