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Date: Fri, 8 Jan 2010 20:10:51 +0100
From: Andi Kleen <andi@firstfloor.org>
Subject: Re: [RFC][PATCH 6/8] mm: handle_speculative_fault()
Message-ID: <20100108191051.GA14141@basil.fritz.box>
References: <alpine.LFD.2.00.1001051718100.3630@localhost.localdomain> <20100106115233.5621bd5e.kamezawa.hiroyu@jp.fujitsu.com> <alpine.LFD.2.00.1001051917000.3630@localhost.localdomain> <20100106125625.b02c1b3a.kamezawa.hiroyu@jp.fujitsu.com> <alpine.LFD.2.00.1001052007090.3630@localhost.localdomain> <1262969610.4244.36.camel@laptop> <alpine.LFD.2.00.1001080911340.7821@localhost.localdomain> <alpine.DEB.2.00.1001081138260.23727@router.home> <87my0omo3n.fsf@basil.nowhere.org> <alpine.DEB.2.00.1001081255100.26886@router.home>
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Sender: owner-linux-mm@kvack.org
To: Christoph Lameter <cl@linux-foundation.org>
Cc: Andi Kleen <andi@firstfloor.org>, Linus Torvalds <torvalds@linux-foundation.org>, Peter Zijlstra <peterz@infradead.org>, KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>, Minchan Kim <minchan.kim@gmail.com>, "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "linux-mm@kvack.org" <linux-mm@kvack.org>, "hugh.dickins" <hugh.dickins@tiscali.co.uk>, Nick Piggin <nickpiggin@yahoo.com.au>, Ingo Molnar <mingo@elte.hu>
List-ID: <linux-mm.kvack.org>

On Fri, Jan 08, 2010 at 12:56:08PM -0600, Christoph Lameter wrote:
> On Fri, 8 Jan 2010, Andi Kleen wrote:
> 
> > This year's standard server will be more like 24-64 "cpus"
> 
> What will it be? 2 or 4 sockets?

2-4 sockets.
 
> > Cheating with locks usually doesn't work anymore at these sizes.
> 
> Cheating means?

Not really fixing the underlying data structure problem.

-Andi

-- 
ak@linux.intel.com -- Speaking for myself only.

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