Thread (4 messages) 4 messages, 3 authors, 2007-07-26

Re: pte_offset_map for ppc assumes HIGHPTE

From: Dave McCracken <hidden>
Date: 2007-07-25 23:32:23
Also in: linux-mm, lkml

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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