From: Andrew Morton <akpm@digeo.com>
To: Dave McCracken <dmccr@us.ibm.com>
Cc: mika.penttila@kolumbus.fi, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Subject: Re: Race between vmtruncate and mapped areas?
Date: Wed, 14 May 2003 10:34:21 -0700 [thread overview]
Message-ID: <20030514103421.197f177a.akpm@digeo.com> (raw)
In-Reply-To: <18240000.1052924530@baldur.austin.ibm.com>
Dave McCracken <dmccr@us.ibm.com> wrote:
>
> Which the application thinks is still part of the file, and will expect its
> changes to be written back.
How so? Truncate will chop the page off the mapping - it doesn't
miss any pages.
Truncate has to wait for the page lock, so the page may be removed from the
mapping shortly after the major fault's IO has completed. Maybe that's
what you are seeing.
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next prev parent reply other threads:[~2003-05-14 17:34 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 [this message]
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
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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