On Wednesday 25 July 2007, Benjamin Herrenschmidt wrote:
> Depends... if you have CONFIG_HIGHMEM and not CONFIG_HIGHPTE, you are
> wasting time going through kmap_atomic unnecessarily no ? it will probably
> not do anything because the PTE page is in lowmem but still...
Probably not much time. You still need to do the page to virtual translation,
which kmap_atomic does for you.
Dave McCracken
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