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Giuseppe Scrivano
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>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.