From: Jeff Garzik <jgarzik@pobox.com>
To: "Luck, Tony" <tony.luck@intel.com>
Cc: ak@suse.de, torvalds@osdl.org, Greg Edwards <edwardsg@sgi.com>,
linux-kernel@vger.kernel.org, discuss@x86-64.org
Subject: Re: [2/3] Set compatibility flag for 4GB zone on IA64
Date: Sun, 11 Sep 2005 19:24:43 -0400 [thread overview]
Message-ID: <4324BCBB.90407@pobox.com> (raw)
In-Reply-To: <B8E391BBE9FE384DAA4C5C003888BE6F045A8E72@scsmsx401.amr.corp.intel.com>
Luck, Tony wrote:
> ia64 isn't all that homogeneous. SGI systems stuff *all* memory
> into the DMA zone as their I/O devices have no 32-bit limits (just
> as well really as there is no memory below 4G on an Altix!).
SGI machines support random PCI cards, right? If so, you cannot presume
I/O devices have no 32-bit limits.
Jeff
next prev parent reply other threads:[~2005-09-11 23:24 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-11 20:44 [2/3] Set compatibility flag for 4GB zone on IA64 Luck, Tony
2005-09-11 21:05 ` Andi Kleen
2005-09-11 23:24 ` Jeff Garzik [this message]
2005-09-12 2:09 ` Chris Wedgwood
-- strict thread matches above, loose matches on Subject: below --
2005-09-12 1:05 Luck, Tony
2005-09-12 1:17 ` Jeff Garzik
2005-09-12 2:58 ` Jesse Barnes
2005-09-11 16:59 Andi Kleen
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