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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
Date: Mon, 6 Apr 2009 15:42:41 +0200	[thread overview]
Message-ID: <20090406134240.GK9137@random.random> (raw)
In-Reply-To: <200904061704.50052.nickpiggin@yahoo.com.au>

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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  parent reply	other threads:[~2009-04-06 13:42 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-04-04 14:35 [PATCH 0/4] ksm - dynamic page sharing driver for linux v2 Izik Eidus
2009-04-04 14:35 ` [PATCH 1/4] MMU_NOTIFIERS: add set_pte_at_notify() Izik Eidus
2009-04-04 14:35   ` [PATCH 2/4] add page_wrprotect(): write protecting page Izik Eidus
2009-04-04 14:35     ` [PATCH 3/4] add replace_page(): change the page pte is pointing to Izik Eidus
2009-04-04 14:35       ` [PATCH 4/4] add ksm kernel shared memory driver Izik Eidus
2009-04-06  9:13         ` Andrey Panin
2009-04-06 10:58           ` Izik Eidus
2009-04-06  7:04 ` [PATCH 0/4] ksm - dynamic page sharing driver for linux v2 Nick Piggin
2009-04-06  7:33   ` Avi Kivity
2009-04-06 11:19   ` Izik Eidus
2009-04-06 13:42   ` Andrea Arcangeli [this message]
2009-04-07 13:57 ` Andrea Arcangeli
  -- strict thread matches above, loose matches on Subject: below --
2008-11-17  2:20 Izik Eidus
2008-11-20  7:44 ` Ryota OZAKI
2008-11-20  9:03   ` Izik Eidus
2008-11-20  9:13     ` Izik Eidus
2008-11-20  9:44       ` Ryota OZAKI
2008-11-28 12:57 ` Dmitri Monakhov
2008-11-28 13:51   ` Alan Cox

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