On Mon, Dec 16, 2019 at 08:38:31PM +0100, Giuseppe Scrivano wrote: > 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@xxxxxxxxxx> Acked-by: Tejun Heo <tj@xxxxxxxxxx> This can go through either the mm tree or the cgroup tree. If Andrew doesn't pick it up in several days, I'll apply it to cgroup/for-5.6. Thanks. -- tejun
