Re: Folding _PAGE_PWT into _PAGE_PCD (was Re: unify pagetable accessors patch causes double fault II)

Andi Kleen
2008-01-15T17:36:14Z

> Good, but isn't the name _PAGE_CACHE misleading? Or does it mean

It's all bits related to caching.

> something else in the context of PAT?

It could mean arbitary things with PAT -- PAT essentially allows to
reprogram these bits freely to various different modi using a mapping table.
In the default configuration any bit set should resort in a uncacheable mode
though.

-Andi