Re: About ioremap() and L2-Cache

Alan Cox (alan@lxorguk.ukuu.org.uk)
Tue, 22 Jul 1997 23:22:09 +0100 (BST)

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> caching flag. (which will be written into the page table entry). Is there
> any RL use for the PWT bit?

PCI video frame buffers when the BIOS isnt bright enought to set it. Also
the PentiumPro/PentiumII MSRR's to enable write gathering on it

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