On Thu, 3 Feb 2011 15:15:33 +0100 Johannes Weiner <hannes@xxxxxxxxxxx> wrote: > From: Daisuke Nishimura <nishimura@xxxxxxxxxxxxxxxxx> > > This patch add checks at allocating or freeing a page whether the page is used > (iow, charged) from the view point of memcg. > > This check may be useful in debugging a problem and we did similar checks > before the commit 52d4b9ac(memcg: allocate all page_cgroup at boot). > > This patch adds some overheads at allocating or freeing memory, so it's enabled > only when CONFIG_DEBUG_VM is enabled. > > Signed-off-by: Daisuke Nishimura <nishimura@xxxxxxxxxxxxxxxxx> > Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>