From: moreau francis <francis_moreau2000@yahoo.fr>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re : vm: weird behaviour when munmapping
Date: Fri, 17 Nov 2006 12:50:46 +0000 (GMT) [thread overview]
Message-ID: <20061117125046.22496.qmail@web23102.mail.ird.yahoo.com> (raw)
Peter Zijlstra wrote:
>
> http://lwn.net/Kernel/LDD3/
>
> Chapter 15. Section 'Virtual Memory Areas'.
>
> Basically; vm_ops->open() is not called on the first vma. With this
> munmap() you split the area in two, and it so happens the new vma is the
> lower one.
>
since I did "munmap(0x2aaae000, 1024)" I would say that the the new vma
is the _upper_ one.
lower vma: 0x2aaae000 -> 0x2aaaf000
upper vma: 0x2aaaf000 -> 0x2aab2000
Francis
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next reply other threads:[~2006-11-17 12:50 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-17 12:50 moreau francis [this message]
2006-11-17 13:05 ` Peter Zijlstra
2006-11-17 13:43 moreau francis
2006-11-17 13:48 ` Peter Zijlstra
2006-11-17 14:12 moreau francis
2006-11-17 14:21 ` Peter Zijlstra
2006-11-17 21:01 Francis Moreau
2006-11-18 13:55 ` Hugh Dickins
2006-11-20 11:30 ` Francis Moreau
2006-11-20 11:36 ` Hugh Dickins
2006-11-20 12:20 ` Hugh Dickins
2006-11-21 8:41 ` Francis Moreau
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