From: "Dave Airlie" <airlied@gmail.com>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: "Linus Torvalds" <torvalds@osdl.org>, "Andi Kleen" <ak@suse.de>,
"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>
Subject: Re: GFP_DMA32 and PAE x86 machines
Date: Thu, 31 May 2007 08:07:45 +1000 [thread overview]
Message-ID: <21d7e9970705301507o2a89e824xdc6a980e8dbedaaf@mail.gmail.com> (raw)
In-Reply-To: <465DECD7.8030104@zytor.com>
Depending on split all lowmem is below 1GB which isn't exactly
optimal, I'd llike all 4GB for DMA.
Dave.
On 5/31/07, H. Peter Anvin <hpa@zytor.com> wrote:
> Dave Airlie wrote:
> > Just a question,
> >
> > So we have GFP_DMA32 on x86-64 to gives us memory below 4G? so we not
> > have the same on PAE based x86 machines so I can use a consistent API
> > from the drm?
> >
> > Otherwise it'll be stick some ifdefs in the drm to deal with it..
> >
>
> Well, all lowmem is below 4 GB on i386...
>
> -hpa
>
next prev parent reply other threads:[~2007-05-30 22:08 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-30 21:10 Dave Airlie
2007-05-30 21:29 ` H. Peter Anvin
2007-05-30 22:07 ` Dave Airlie [this message]
2007-05-30 22:13 ` H. Peter Anvin
2007-05-30 22:24 ` Andi Kleen
2007-05-30 22:31 ` H. Peter Anvin
2007-05-30 23:09 ` Dave Airlie
2007-05-30 23:21 ` William Lee Irwin III
2007-05-31 12:11 ` Andi Kleen
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