On Thu, Apr 1, 2010 at 8:57 AM, KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> > > rmap_walk_anon() is called against unmapped pages. > Then, !page_mapped() is always true. So, the behavior will not be different from > the last one. > rmap_walk_anon can be also called in case of failing try_to_unmap. Then, In unmap_and_move, page_mapped is true and remove_migration_ptes can be called. But I am not sure this Mel's patch about this part is really needed. > Thanks, > -Kame > > -- Kind regards, Minchan Kim -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>