On Thu, 1 Sep 2011 17:24:17 +0200 Andrea Arcangeli <aarcange@xxxxxxxxxx> wrote: > Ideally direct-io should stop calling get_page() on pages > returned by get_user_pages(). Yeah. get_user_pages() is sufficient. Ideally we should be able to undo the get_user_pages() get_page() from within the IO completion interrupt and we're done. Cc Andi, who is our resident dio tweaker ;) -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>