On Thu, Nov 29, 2012 at 02:54:58PM +0800, Lin Feng wrote: > Hi all, Hi Lin, > We encounter a "Resource temporarily unavailable" fail while trying > to offline a memory section in a movable zone. We found that there are > some pages can't be migrated. The offline operation fails in function > migrate_page_move_mapping() returning -EAGAIN till timeout because > the if assertion 'page_count(page) != 1' fails. is this something that worked before? if yes (then it's a regression) do you know with which kernel? Thanks, Domenico -- 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>