From: Andi Kleen <ak@suse.de>
To: Christoph Lameter <clameter@sgi.com>
Cc: linux-kernel@vger.kernel.org, Martin Bligh <mbligh@google.com>,
Christoph Hellwig <hch@infradead.org>,
Marcelo Tosatti <marcelo@kvack.org>,
Arjan van de Ven <arjan@infradead.org>,
Nick Piggin <nickpiggin@yahoo.com.au>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Subject: Re: [RFC 5/8] x86_64 without ZONE_DMA
Date: Sat, 8 Jul 2006 03:00:16 +0200 [thread overview]
Message-ID: <200607080300.16931.ak@suse.de> (raw)
In-Reply-To: <Pine.LNX.4.64.0607071742060.4352@schroedinger.engr.sgi.com>
On Saturday 08 July 2006 02:42, Christoph Lameter wrote:
> On Sat, 8 Jul 2006, Andi Kleen wrote:
>
> > I don't think the savings from this are enough to bother
> > the user with such an obscure config option.
>
> The savings are not only from the code paths. The VM itself is cleaner and
> the balancing issues are not that troublesome anymore.
Doesn't help - it has to be fixed anyways for NUMA and other architectures.
Also in my experience empty zones are not a significant problem for VM
balancing.
-Andi
next prev parent reply other threads:[~2006-07-08 1:00 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-08 0:05 [RFC 0/8] Optional ZONE_DMA Christoph Lameter
2006-07-08 0:05 ` [RFC 1/8] Add CONFIG_ZONE_DMA to all archesM Christoph Lameter
2006-07-10 0:52 ` KAMEZAWA Hiroyuki
2006-07-10 15:56 ` Christoph Lameter
2006-07-11 7:11 ` KAMEZAWA Hiroyuki
2006-07-08 0:05 ` [RFC 2/8] slab allocator: Make DMA support configurable Christoph Lameter
2006-07-08 0:05 ` [RFC 3/8] eventcounters: Optional ZONE_DMA Christoph Lameter
2006-07-08 0:05 ` [RFC 4/8] page allocator: " Christoph Lameter
2006-07-08 0:23 ` Andi Kleen
2006-07-08 0:41 ` Christoph Lameter
2006-07-08 0:05 ` [RFC 5/8] x86_64 without ZONE_DMA Christoph Lameter
2006-07-08 0:20 ` Andi Kleen
2006-07-08 0:42 ` Christoph Lameter
2006-07-08 1:00 ` Andi Kleen [this message]
2006-07-08 1:25 ` Christoph Lameter
2006-07-08 0:05 ` [RFC 6/8] i386 " Christoph Lameter
2006-07-08 0:05 ` [RFC 7/8] Single zone optimizations Christoph Lameter
2006-07-08 0:19 ` Andi Kleen
2006-07-08 0:05 ` [RFC 8/8] Optimize mempolicies for a single zone Christoph Lameter
2006-07-08 0:17 ` Andi Kleen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=200607080300.16931.ak@suse.de \
--to=ak@suse.de \
--cc=arjan@infradead.org \
--cc=clameter@sgi.com \
--cc=hch@infradead.org \
--cc=kamezawa.hiroyu@jp.fujitsu.com \
--cc=linux-kernel@vger.kernel.org \
--cc=marcelo@kvack.org \
--cc=mbligh@google.com \
--cc=nickpiggin@yahoo.com.au \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.