Messages in this thread | | | Date | Tue, 6 Jul 2010 14:46:37 +0900 | Subject | Re: [PATCH 12/14] vmscan: Do not writeback pages in direct reclaim | From | Minchan Kim <> |
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On Tue, Jul 6, 2010 at 9:36 AM, KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> 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) }
-- Kind regards, Minchan Kim
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