linux-kernel - Re: Forbid deletion of memory mappings

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Message-ID: <Pine.LNX.4.64.0708301906020.2460@twin.jikos.cz>
Date:	Thu, 30 Aug 2007 19:07:05 +0200 (CEST)
From:	Jiri Kosina <jikos@...os.cz>
To:	Clemens Kolbitsch <clemens.kol@....at>
cc:	linux-kernel@...r.kernel.org
Subject: Re: Forbid deletion of memory mappings

On Thu, 30 Aug 2007, Clemens Kolbitsch wrote:

> It all works perfectly well (creating & deleting the additional 
> mappings), however, when the kernel feels like it needs to allocate a 
> mapping in user-space it sometimes deletes my mapping and overwrites it 
> with the new one, although there is plenty of free memory at some other 
> location.

Hi Clemens,

what do you mean by "overwrites it"? It just probably merges your vma with 
the newly created one, right?

-- 
Jiri Kosina
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