Andrew Morton wrote: > On Thu, 15 Feb 2007 18:25:00 -0800 Jeremy Fitzhardinge <jeremy at goop.org> wrote: > > >> Add a new mm function apply_to_page_range()[...] > There was some discussion about this sort of thing last week. The > consensus was that it's better to run the callback against a whole pmd's > worth of ptes, mainly to amortise the callback's cost (a lot). > > It was implemented in > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.20/2.6.20-mm1/broken-out/smaps-extract-pmd-walker-from-smaps-code.patch Yes I was looking at that and wondering what the upshot would be. I'll have a closer look, but it seems like it should be usable. J
