From: Arnd Bergmann <arnd@arndb.de>
To: "Guan Xuetao" <gxt@mprc.pku.edu.cn>
Subject: Re: [PATCH] unicore32 framebuffer driver fix: make videomemory kmalloc-ed and floatable
Date: Wed, 30 Mar 2011 12:55:18 +0200
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Cc: "'Paul Mundt'" <lethal@linux-sh.org>, linux-kernel@vger.kernel.org,
        linux-fbdev@vger.kernel.org
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On Wednesday 30 March 2011, Guan Xuetao wrote:
> Is it appropriate to using __get_free_pages in framebuffer driver?

Yes, it is appropriate, and it is also more efficient than using
kmalloc.

> And both SLAB and SLUB allocators support 4MB request.

Ok, I did not know that, but I see now how the maximum size is computed.
The limit was 128 KB for a long time, but has apparently changed.

	Arnd
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