From: "David S. Miller" <davem@redhat.com>
To: Richard Henderson <rth@redhat.com>
Cc: Linus Torvalds <torvalds@transmeta.com>,
Jens Axboe <axboe@suse.de>, Patrick Mochel <mochel@transmeta.com>,
Alan Cox <alan@redhat.com>, MOLNAR Ingo <mingo@chiara.elte.hu>,
Kanoj Sarcar <kanoj@google.engr.sgi.com>,
Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [patch] 32-bit dma memory zone
Date: Thu, 7 Jun 2001 18:30:05 -0700 (PDT) [thread overview]
Message-ID: <15136.10909.941916.674145@pizda.ninka.net> (raw)
In-Reply-To: <20010607145912.B2286@redhat.com>
In-Reply-To: <20010607153119.H1522@suse.de> <Pine.LNX.4.21.0106071402480.6604-100000@penguin.transmeta.com> <20010607145912.B2286@redhat.com>
Richard Henderson writes:
> On most alphas we use only one zone -- ZONE_DMA. The iommu makes it
> possible to do 32-bit pci to the entire memory space.
>
> For those alphas without an iommu, we also set up ZONE_NORMAL.
And on sparc64 since all machines have an iommu, we use just ZONE_DMA
for everything.
Later,
David S. Miller
davem@redhat.com
next prev parent reply other threads:[~2001-06-08 1:30 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20010607153119.H1522@suse.de>
2001-06-07 21:22 ` Linus Torvalds
2001-06-07 21:59 ` Richard Henderson
2001-06-08 14:55 ` Eric W. Biederman
2001-06-08 21:00 ` H. Peter Anvin
2001-06-08 1:30 ` David S. Miller [this message]
2001-06-08 8:58 ` Steffen Persvold
2001-06-08 9:05 ` Russell King
2001-06-08 11:19 ` Jens Axboe
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