Messages in this thread | | | From | Shakeel Butt <> | Date | Tue, 3 Mar 2020 08:50:54 -0800 | Subject | Re: [PATCH 0/2] Support user xattrs in cgroupfs |
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Hi Daniel,
On Mon, Mar 2, 2020 at 5:42 PM Daniel Xu <dxu@dxuuu.xyz> wrote: > > User extended attributes are useful as metadata storage for kernfs > consumers like cgroups. Especially in the case of cgroups, it is useful > to have a central metadata store that multiple processes/services can > use to coordinate actions. > > A concrete example is for userspace out of memory killers. We want to > let delegated cgroup subtree owners (running as non-root) to be able to > say "please avoid killing this cgroup". In server environments this is > less important as everyone is running as root.
I would recommend removing the "everyone is running as root" statement as it is not generally true.
Shakeel
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