linux-kernel - Re: [PATCH 1/6] ksm: limiting the num of mem regions user can register per fd.

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Message-ID: <4A00DC9B.1070806@redhat.com>
Date:	Tue, 05 May 2009 20:40:59 -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 1/6] ksm: limiting the num of mem regions user can register
 per fd.

Izik Eidus wrote:
> Right now user can open /dev/ksm fd and register unlimited number of
> regions, such behavior may allocate unlimited amount of kernel memory
> and get the whole host into out of memory situation.
> 
> Signed-off-by: Izik Eidus <ieidus@...hat.com>

Acked-by: Rik van Riel <riel@...hat.com>

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