From: Matthew Wilcox <matthew@wil.cx>
To: linux-ia64@vger.kernel.org
Subject: Re: [PATCH 5/6] Optional ZONE_DMA for x86_64
Date: Tue, 12 Sep 2006 11:40:27 +0000 [thread overview]
Message-ID: <20060912114027.GK29775@parisc-linux.org> (raw)
In-Reply-To: <20060911222755.4849.17749.sendpatchset@schroedinger.engr.sgi.com>
On Tue, Sep 12, 2006 at 08:40:22AM +0200, Andi Kleen wrote:
> I think I would prefer to not make GFP_DMA32 optional.
> Adding a 4GB limit CONFIG to a 64bit kernel just seems somewhat
> dumb.
Hmm? I would think that the majority of x86-64 users have <4GB.
I bought an ASUS P5RD1-VM motherboard a few months ago which
has 2 DIMM slots. Look at their list of 'hot' motherboards:
http://usa.asus.com/products2.aspx?l1=3&l2\x11 I don't see a single one
with more than 4 slots. 2GB DIMMs are hovering around the $400 mark;
I'm not convinced that your average user is spending $1200 on RAM at
this point.
next prev parent reply other threads:[~2006-09-12 11:40 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-11 22:27 [PATCH 5/6] Optional ZONE_DMA for x86_64 Christoph Lameter
2006-09-12 6:40 ` Andi Kleen
2006-09-12 11:11 ` Andi Kleen
2006-09-12 11:40 ` Matthew Wilcox [this message]
2006-09-12 17:28 ` Christoph Lameter
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