On Fri, Jan 28, 2011 at 8:52 AM, KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> wrote: > > On recent -mm, when I run make -j 8 under 200M limit of memcg, as > == > # mount -t cgroup none /cgroup/memory -o memory > # mkdir /cgroup/memory/A > # echo 200M > /cgroup/memory/A/memory.limit_in_bytes > # echo $$ > /cgroup/memory/A/tasks > # make -j 8 kernel > == > > I see hangs with khugepaged. That's because memcg's memory reclaim > routine doesn't handle HUGE_PAGE request in proper way. And khugepaged > doesn't know about memcg. > > This patch set is for fixing above hang. Patch 1-3 seems obvious and > has the same concept as patches in RHEL. Do you have any backtraces? Are they in the specific patches? Balbir -- 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 policy in Canada: sign http://dissolvethecrtc.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>