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    SubjectRe: [PATCH] cgroups: implement device whitelist (v4)
    On Mon, 17 Mar 2008, Serge E. Hallyn wrote:

    > Implement a cgroup to track and enforce open and mknod restrictions on device
    > files. A device cgroup associates a device access whitelist with each
    > cgroup. A whitelist entry has 4 fields. 'type' is a (all), c (char), or
    > b (block). 'all' means it applies to all types and all major and minor
    > numbers. Major and minor are either an integer or * for all.
    > Access is a composition of r (read), w (write), and m (mknod).

    Acked-by: James Morris <>

    James Morris

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