linux-kernel - Re: 8MB physical memory allocation

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Message-ID: <20080911093508.GD23082@sgi.com>
Date:	Thu, 11 Sep 2008 04:35:08 -0500
From:	Robin Holt <holt@....com>
To:	Alessio Sangalli <alesan@...oweb.com>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: 8MB physical memory allocation

On Wed, Sep 10, 2008 at 09:30:05PM -0700, Alessio Sangalli wrote:
> Hi, I'm writing a driver for a video adapter that needs to allocate 8MB
> (maximum resolution) in physical, contiguos memory. I am working on a
> ARM9 platform.

Not sure about arm9, but on ia64, alloc_pages does the trick.

	alloc_pages(GFP_KERNEL, 33-PAGE_SHIFT);

Might be slightly large of an allocation for any time other than boot,
but that is the call.

Thanks,
Robin
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