Date: Mon, 6 Apr 2009 15:42:41 +0200
From: Andrea Arcangeli <aarcange@redhat.com>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Izik Eidus <ieidus@redhat.com>, akpm@linux-foundation.org,
       linux-kernel@vger.kernel.org, kvm@vger.kernel.org, linux-mm@kvack.org,
       avi@redhat.com, chrisw@redhat.com, mtosatti@redhat.com,
       hugh@veritas.com, kamezawa.hiroyu@jp.fujitsu.com
Subject: Re: [PATCH 0/4] ksm - dynamic page sharing driver for linux v2
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References: <1238855722-32606-1-git-send-email-ieidus@redhat.com> <200904061704.50052.nickpiggin@yahoo.com.au>
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On Mon, Apr 06, 2009 at 05:04:49PM +1000, Nick Piggin wrote:
> They should use a shared memory segment, or MAP_ANONYMOUS|MAP_SHARED etc.
> Presumably they will probably want to control it to interleave it over
> all numa nodes and use hugepages for it. It would be very little work.

I thought it's the intermediate result of the computations that leads
to lots of equal data too, in which case ksm is the only way to share
it all.
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