On Fri, 19 Dec 2008 11:21:25 +0900
KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> wrote:
> On Thu, 18 Dec 2008 16:29:52 +0100
> Andrea Arcangeli <aarcange@xxxxxxxxxx> wrote:
>
> > @@ -484,11 +476,34 @@
> > if (page) {
> > get_page(page);
> > page_dup_rmap(page);
> > + if (is_cow_mapping(vm_flags) && PageAnon(page)) {
> > + if (unlikely(TestSetPageLocked(page)))
> > + forcecow = 1;
> > + else {
> > + if (unlikely(page_count(page) !=
> > + page_mapcount(page)
> > + + !!PageSwapCache(page)))
> > + forcecow = 1;
> > + unlock_page(page);
> > + }
> > + }
> > rss[!!PageAnon(page)]++;
> > }
> - Why do you check only Anon rather than all MAP_PRIVATE mappings ?
>
Sorry, ignore this quesiton.
-Kame
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