From: Rohit Seth <rohitseth@google.com>
To: Christoph Lameter <clameter@sgi.com>
Cc: Andi Kleen <ak@suse.de>,
CKRM-Tech <ckrm-tech@lists.sourceforge.net>,
devel@openvz.org, linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [patch02/05]: Containers(V2)- Generic Linux kernel changes
Date: Wed, 20 Sep 2006 17:53:40 -0700 [thread overview]
Message-ID: <1158800020.7207.45.camel@galaxy.corp.google.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0609201740530.2581@schroedinger.engr.sgi.com>
On Wed, 2006-09-20 at 17:41 -0700, Christoph Lameter wrote:
> On Wed, 20 Sep 2006, Rohit Seth wrote:
>
> > ...my preference is to leave it in page struct...that has non-zero cost.
>
> Oh. Making struct page bigger than a cacheline or not fitting exactly in a
> cacheline has some costs.
>
Isn't most of the architectures not defining WANT_PAGE_VIRTUAL and thus
the page structure on these is not fitting cache line well. In most of
these cases the additional pointer will actually make the structure 64
bytes on 64-bit machines.
-rohit
next prev parent reply other threads:[~2006-09-21 0:54 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-20 2:18 [patch02/05]: Containers(V2)- Generic Linux kernel changes Rohit Seth
2006-09-20 11:27 ` Andi Kleen
2006-09-20 16:44 ` Rohit Seth
2006-09-20 18:14 ` Andi Kleen
2006-09-20 18:19 ` Rohit Seth
2006-09-20 18:32 ` Andi Kleen
2006-09-21 0:23 ` Christoph Lameter
2006-09-21 0:37 ` Rohit Seth
2006-09-21 0:41 ` Christoph Lameter
2006-09-21 0:53 ` Rohit Seth [this message]
2006-09-21 1:33 ` [ckrm-tech] " Chandra Seetharaman
2006-09-21 22:29 ` Rohit Seth
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