Messages in this thread | | | From | Dave McCracken <> | Subject | Re: pte_offset_map for ppc assumes HIGHPTE | Date | Wed, 25 Jul 2007 18:30:21 -0500 |
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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.
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