> On Tue, Jul 6, 2010 at 9:36 AM, KOSAKI Motohiro
> <kosaki.motohiro@xxxxxxxxxxxxxx> wrote:
> > Hello,
> >
> >> Ok, that's reasonable as I'm still working on that patch. For example, the
> >> patch disabled anonymous page writeback which is unnecessary as the stack
> >> usage for anon writeback is less than file writeback.
> >
> > How do we examine swap-on-file?
>
> bool is_swap_on_file(struct page *page)
> {
> struct swap_info_struct *p;
> swp_entry_entry entry;
> entry.val = page_private(page);
> p = swap_info_get(entry);
> return !(p->flags & SWP_BLKDEV)
> }
Well, do you suggested we traverse all pages in lru _before_
starting vmscan?
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