On Thu, 24 Aug 2006 13:12:05 +0100, Ralf Baechle <ralf@xxxxxxxxxxxxxx> wrote: > I figured it was worth a try. It means the process will start running with > a hot copy of the COW page instead of a cold copy and I can use hit > invalidates instead of hit wbinv on the kernel address of the to page. > > Lmbenching now, stay tuned ... Hmm, if we could invalidate _before_ copy_page() and writeback (without invalidate) _after_ the copy, it might be worth. --- Atsushi Nemoto