Messages in this thread | | | Subject | Re: [patch 1/2] agpgart - allow user-populated memory types. | From | Arjan van de Ven <> | Date | Tue, 19 Dec 2006 13:17:29 +0100 |
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> A short background: > The current code uses vmalloc only. The potential use of kmalloc was > introduced > to save memory and cpu-speed. > All agp drivers expect to see a single memory chunk, so I'm not sure we > want to have an array of pages. That may require rewriting a lot of code.
but if it's clearly the right thing..... How hard can it be? there are what.. 5 or 6 AGP drivers in the kernel?
> If it's acceptable I'd like to go for the vmalloc / kmalloc flag, or at > worst keep the current vmalloc only but that's such a _huge_ memory > waste for small buffers. The flag was the original idea, but > unfortunately the agp_memory struct is part of the drm interface, and I > wasn't sure we could add a variable to it.
I doubt this is part of the userspace interface so for sure we can change it to be right.
-- if you want to mail me at work (you don't), use arjan (at) linux.intel.com Test the interaction between Linux and your BIOS via http://www.linuxfirmwarekit.org
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