On Mon, 21 Nov 2011 16:30:11 +0530 Balbir Singh <bsingharora@xxxxxxxxx> wrote: > On Thu, Nov 17, 2011 at 7:03 AM, KAMEZAWA Hiroyuki > <kamezawa.hiroyu@xxxxxxxxxxxxxx> wrote: > > > > I'll send this again when mm is shipped. > > I sometimes see mem_cgroup_split_huge_fixup() in perf report and noticed > > it's very slow. This fixes it. Any comments are welcome. > > > > How do you see this - what tests? > Sometimes. By applications calling fork() or mremap(), mprotect(), which will cause split_huge_page(). But not 100% reporoducable, yet. Thanks, -Kame -- 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>