Messages in this thread | | | Date | Sat, 29 Jan 2011 18:17:56 +0530 | Subject | Re: [BUGFIX][PATCH 0/4] Fixes for memcg with THP | From | Balbir Singh <> |
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On Fri, Jan 28, 2011 at 8:52 AM, KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> 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
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