faced7e080
In the effort of supporting cgroups v2 into Kubernetes, I stumped on the lack of the hugetlb controller. When the controller is enabled, it exposes four new files for each hugetlb size on non-root cgroups: - hugetlb.<hugepagesize>.current - hugetlb.<hugepagesize>.max - hugetlb.<hugepagesize>.events - hugetlb.<hugepagesize>.events.local The differences with the legacy hierarchy are in the file names and using the value "max" instead of "-1" to disable a limit. The file .limit_in_bytes is renamed to .max. The file .usage_in_bytes is renamed to .current. .failcnt is not provided as a single file anymore, but its value can be read through the new flat-keyed files .events and .events.local, through the "max" key. Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com> Signed-off-by: Tejun Heo <tj@kernel.org> |
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