Re: [PATCH] unicore32 framebuffer driver fix: make videomemory kmalloc-ed and floatable

Arnd Bergmann
2011-03-30T10:55:31Z

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