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. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/