linux-kernel - Re: [PATCH] NOMMU: Separate out VMAs

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Message-ID: <25818.1186495414@redhat.com>
Date:	Tue, 07 Aug 2007 15:03:34 +0100
From:	David Howells <dhowells@...hat.com>
To:	Bernd Schmidt <bernds_cb1@...nline.de>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"Wu, Bryan" <Bryan.Wu@...log.com>
Subject: Re: [PATCH] NOMMU: Separate out VMAs

Bernd Schmidt <bernds_cb1@...nline.de> wrote:

> This probably wants to be dependent on something like MAP_TRIM_EXCESS.

Hmmm...  In the interests of not adding more flags, I wonder if mremap()
should be used for that, with a global setting for mmaps made by binfmts as
they can't really be shrunk afterwards if they're shareable.

David
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