On Fri, Dec 07, 2012 at 03:35:15PM +0800, Xishi Qiu wrote: > Hi Borislav, you mean we should move this to the beginning of soft_offline_page()? > > soft_offline_page() > { > ... > get_any_page() > ... > /* > * Synchronized using the page lock with memory_failure() > */ > if (PageHWPoison(page)) { > unlock_page(page); Basically yes, except without the unlock_page. Where do you do lock_page earlier so that you need to unlock it now? Thanks. -- Regards/Gruss, Boris. -- 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/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>