On Mon 11-11-13 17:11:04, Markus Blank-Burian wrote: > > > > Out of curiosity, do you have memcg swap accounting enabled? Or do you > > use kmem accounting? How does your cgroup tree look like? > > I have compiled my kernel with CONFIG_MEMCG_SWAP, > CONFIG_MEMCG_SWAP_ENABLED, CONFIG_MEMCG_KMEM and CONFIG_CGROUP_HUGETLB > options, although our machines have no active swap space at the > moment. No swap means that no charges are done by a group non-member. So the race Johannes was describing shouldn't be the problem in your case. Out of curiosity, do you set any limit for kmem? [...] > memory.use_hierarchy support is enabled and memory is limited from the > job directory. I have mounted the cgroup to /var/slurm/cgroup/memory > in addition to the normal directory at /sys/fs/cgroup/memory. How exactly have you mounted it there? [...] Btw. how reproducible is this? Do you think you could try to bisect it down? Reducing bisection to mm/ and kernel/ diretories should be sufficient I guess. -- Michal Hocko SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html