From: Andrew Morton <akpm@digeo.com>
To: Andrea Arcangeli <andrea@suse.de>
Cc: dmccr@us.ibm.com, mika.penttila@kolumbus.fi, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Subject: Re: Race between vmtruncate and mapped areas?
Date: Thu, 15 May 2003 02:58:52 -0700 [thread overview]
Message-ID: <20030515025852.77991db3.akpm@digeo.com> (raw)
In-Reply-To: <20030515094041.GA1429@dualathlon.random>
Andrea Arcangeli <andrea@suse.de> wrote:
>
> > I do think that we should push the revalidate operation over into the vm_ops.
> > That'll require an extra arg to ->nopage, but it has a spare one anyway (!).
>
> not sure why you need a callback, the lowlevel if needed can serialize
> using the same locking in the address space that vmtruncate uses. I
> would wait a real case need before adding a callback.
Just a vague feeling that knowing about vm_file in do_no_page() is
a layering violation. I guess we can live with it.
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next prev parent reply other threads:[~2003-05-15 9:58 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-13 20:44 Dave McCracken
2003-05-13 20:58 ` Mika Penttilä
2003-05-13 21:04 ` William Lee Irwin III
2003-05-13 22:26 ` Dave McCracken
2003-05-13 22:49 ` William Lee Irwin III
2003-05-13 23:00 ` Dave McCracken
2003-05-13 23:11 ` William Lee Irwin III
2003-05-13 23:16 ` Dave McCracken
2003-05-13 23:20 ` William Lee Irwin III
2003-05-13 23:28 ` Dave McCracken
2003-05-13 23:29 ` William Lee Irwin III
2003-05-13 23:16 ` William Lee Irwin III
2003-05-14 1:10 ` Andrew Morton
2003-05-14 15:02 ` Dave McCracken
2003-05-14 1:10 ` Andrew Morton
2003-05-14 15:02 ` Dave McCracken
2003-05-14 15:06 ` William Lee Irwin III
2003-05-14 15:25 ` Dave McCracken
2003-05-14 16:42 ` Gerrit Huizenga
2003-05-14 17:34 ` Andrew Morton
2003-05-14 17:42 ` Dave McCracken
2003-05-14 17:57 ` Andrew Morton
2003-05-14 18:05 ` Dave McCracken
2003-05-14 18:17 ` Andrew Morton
2003-05-14 18:24 ` Dave McCracken
2003-05-14 18:53 ` Andrew Morton
2003-05-15 8:50 ` Andrea Arcangeli
2003-05-14 19:02 ` Rik van Riel
2003-05-14 19:04 ` Rik van Riel
2003-05-14 19:07 ` Dave McCracken
2003-05-14 19:11 ` Rik van Riel
2003-05-15 0:49 ` Andrea Arcangeli
2003-05-15 2:36 ` Rik van Riel
2003-05-15 9:46 ` Andrea Arcangeli
2003-05-15 9:55 ` Andrew Morton
2003-05-15 8:32 ` Andrew Morton
2003-05-15 8:42 ` Andrew Morton
2003-05-15 8:55 ` Andrea Arcangeli
2003-05-15 9:20 ` Andrew Morton
2003-05-15 9:40 ` Andrea Arcangeli
2003-05-15 9:58 ` Andrew Morton [this message]
2003-05-15 16:38 ` Daniel McNeil
2003-05-15 19:19 ` Andrea Arcangeli
2003-05-15 22:04 ` Daniel McNeil
2003-05-15 23:17 ` Andrea Arcangeli
2003-05-17 0:27 ` Daniel McNeil
2003-05-17 17:29 ` Andrea Arcangeli
2003-05-13 21:00 ` William Lee Irwin III
2003-05-17 18:19 Paul McKenney
2003-05-17 18:42 ` Andrea Arcangeli
2003-05-19 18:11 Paul McKenney
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