linux-kernel - Re: [PATCH 2/6] ksm: dont allow overlap memory addresses registrations.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <4A00DD4F.8010101@redhat.com>
Date:	Tue, 05 May 2009 20:43:59 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Izik Eidus <ieidus@...hat.com>
CC:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	aarcange@...hat.com, chrisw@...hat.com, alan@...rguk.ukuu.org.uk,
	device@...ana.org, linux-mm@...ck.org, hugh@...itas.com,
	nickpiggin@...oo.com.au
Subject: Re: [PATCH 2/6] ksm: dont allow overlap memory addresses registrations.

Izik Eidus wrote:
> subjects say it all.

Not a very useful commit message.

This makes me wonder, though.

What happens if a user mmaps a 30MB memory region, registers it
with KSM and then unmaps the middle 10MB?

> Signed-off-by: Izik Eidus <ieidus@...hat.com>

except for the commit message, Acked-by: Rik van Riel <riel@...hat.com>

-- 
All rights reversed.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/