On Sun, Jan 29, 2012 at 09:17:32PM +0800, Hillf Danton wrote: > Hi Naoya > > On Sat, Jan 28, 2012 at 7:02 AM, Naoya Horiguchi > <n-horiguchi@xxxxxxxxxxxxx> wrote: > > Thp split is not necessary if we explicitly check whether pmds are > > mapping thps or not. This patch introduces this check and adds code > > to generate pagemap entries for pmds mapping thps, which results in > > less performance impact of pagemap on thp. > > > > Could the method proposed here cover the two cases of split THP in mem cgroup? No for now, but yes if "move charge" function supports THP. I think this can be a bit large step so it is the next work. Thanks, Naoya -- 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>