On Wed, 29 Feb 2012, Namhyung Kim wrote: > Unlike SLAB, SLUB doesn't set PG_slab on tail pages, so if a user would > call free_pages() incorrectly on a object in a tail page, she will get > confused with the undefined result. Setting the flag would help her by > emitting a warning on bad_page() in such a case. NAK You cannot free a tail page of a compound higher order page independently. You must free the whole compound. -- 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>