Re: [BUGFIX][PATCH 0/4] Fixes for memcg with THP
From: Balbir Singh <hidden>
Date: 2011-01-29 12:47:57
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On Fri, Jan 28, 2011 at 8:52 AM, KAMEZAWA Hiroyuki [off-list ref] 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@kvack.org. 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@kvack.org"> email@kvack.org </a>