Github user jieyu commented on the issue: https://github.com/apache/mesos/pull/303 Looks like on CentOS 7 (3.10.0-693.5.2.el7.x86_64). If kmem accounting is not enabled, the `memory.kmem.limit_in_bytes` will always show 0. And reading `memory.kmem.slabinfo` will give `Input/output error` I think we should probably add an agent flag to control the enabling of kmem accounting feature, and only report stats if kmem accounting is enabled.
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