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SubjectRe: 2.6.6-mm1
Christoph Hellwig <> wrote:
> > Capabilities are broken and don't work. Nobody has a clue how to provide
> > the required services with SELinux and nobody has any code and we need the
> > feature *now* before vendors go shipping even more ghastly stuff.
> The thing is special privilegues for a group don't fit into any of the
> various privilegues schemes we have (capabilities, selinux, etc..),
> it's really a horrible hack.

It beats the alternatives which are floating about, which includes a sysctl
which defeats CAP_SYS_MLOCK system-wide.

> What happened to the patch rick promised
> to make mlock an rlimit? This is the right approach and could be easily
> extended to hugetlb pages.

rlimits don't work for this. shm segments persist after process exit and
aren't associated with a particular user.

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