On Wed, 2007-07-25 at 18:30 -0500, Dave McCracken wrote: > 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.
Fair enough. Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
