On Fri, Jan 13, 2012 at 04:41:31PM +0100, Johannes Weiner wrote: > end_migration() passes the old page instead of the new page to commit > the charge. This page descriptor is not used for committing itself, > though, since we also pass the (correct) page_cgroup descriptor. But > it's used to find the soft limit tree through the page's zone, so the > soft limit tree of the old page's zone is updated instead of that of > the new page's, which might get slightly out of date until the next > charge reaches the ratelimit point. > > This glitch has been present since '5564e88 memcg: condense > page_cgroup-to-page lookup points'. > > Reported-by: Hugh Dickins <hughd@xxxxxxxxxx> > Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx> Acked-by: Kirill A. Shutemov <kirill@xxxxxxxxxxxxx> -- Kirill A. Shutemov -- 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