From: Neil Booth <NeilB@earthling.net>
To: linux-mm@kvack.org, Andrea Arcangeli <andrea@e-mind.com>
Subject: Re: PATCH - bug in vfree
Date: Sat, 27 Feb 1999 11:39:51 +0900 [thread overview]
Message-ID: <36D75AF7.18C593E7@earthling.net> (raw)
In-Reply-To: <36CEA72C.7B86B221@earthling.net>
Andrea Arcangeli wrote:
> Hmm, when I checked it one year ago I didn't seen a way the bug could
> corrupt memory.
Yes, you missed my retraction of that bit below.
Neil.
Neil Booth wrote:
>
> Neil Booth wrote:
>
> > More deeply:- Close inspection of get_vm_area reveals that
> > (intentionally?) it does NOT insist there be a cushion page behind a VMA
> > that is placed in front of a previously-allocated VMA, it ONLY
> > guarantees that a cushion page lies in front of newly-allocated VMAs.
>
> Sorry, this is not correct (mistook < for <=). The bug report is
> correct, though.
>
> Neil.
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next prev parent reply other threads:[~1999-02-27 2:37 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-02-20 11:46 Neil Booth
1999-02-20 12:14 ` Neil Booth
1999-02-27 2:39 ` Neil Booth [this message]
1999-02-22 20:31 ` Kanoj Sarcar
1999-02-25 0:47 ` Andrea Arcangeli
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