Re: TLB entries > 4kb

Alan Cox (alan@lxorguk.ukuu.org.uk)
Thu, 12 Feb 1998 08:51:00 +0000 (GMT)


> Has anybody ever looked into implementing that? What architectures besides
> MIPS could take advantage of such a feature?

On the intel its a huge win to map PCI frame buffers using 4Mbyte pages, but
the kernel mmap really can't hack the idea right now. A pity cos if you
hack it in and make sure you never unmap it you get 2-3% better X performance

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