From: Andrew Morton <akpm@osdl.org>
To: Andrea Arcangeli <andrea@suse.de>
Cc: linux-kernel@vger.kernel.org, hugh@veritas.com
Subject: Re: 2.6.5-rc2-aa5
Date: Mon, 29 Mar 2004 12:48:03 -0800 [thread overview]
Message-ID: <20040329124803.072bb7c6.akpm@osdl.org> (raw)
In-Reply-To: <20040329150646.GA3808@dualathlon.random>
Andrea Arcangeli <andrea@suse.de> wrote:
>
> Notably there is a BUG_ON(page->mapping) triggering in
> page_remove_rmap in the pagecache case. that could be ex-pagecache being
> removed from pagecache before all ptes have been zapped, infact the
> page_remove_rmap triggers in the vmtruncate path.
Confused. vmtruncate zaps the ptes before removing pages from pagecache,
so I'd expect a non-null ->mapping in page_remove_rmap() is a very common
thing. truncate a file which someone has mmapped and it'll happen every
time, will it not?
next prev parent reply other threads:[~2004-03-29 20:45 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-29 15:06 2.6.5-rc2-aa5 Andrea Arcangeli
2004-03-29 20:48 ` Andrew Morton [this message]
2004-03-29 22:45 ` 2.6.5-rc2-aa5 Andrea Arcangeli
2004-03-30 16:10 ` mapped pages being truncated [was Re: 2.6.5-rc2-aa5] Andrea Arcangeli
2004-03-30 18:01 ` Hugh Dickins
2004-03-30 18:20 ` Andrea Arcangeli
2004-03-30 18:48 ` Hugh Dickins
2004-03-30 19:01 ` Andrea Arcangeli
2004-03-30 19:06 ` Hugh Dickins
2004-03-30 19:12 ` Andrea Arcangeli
2004-03-30 18:28 ` Andrew Morton
2004-03-30 18:51 ` Andrea Arcangeli
2004-03-30 20:13 ` Nathan Scott
-- strict thread matches above, loose matches on Subject: below --
2004-03-29 18:12 [RFC][PATCH 1/3] radix priority search tree - objrmap complexity fix Hugh Dickins
2004-03-29 21:30 ` 2.6.5-rc2-aa5 Rajesh Venkatasubramanian
2004-03-29 22:50 ` 2.6.5-rc2-aa5 Andrea Arcangeli
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