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    SubjectRe: [RFC][PATCH] VM: per-user overcommit policy
    > - allow uid=1001 and uid=1002 (common users) to allocate memory only if the
    > total committed space is below the 50% of the physical RAM + the size of
    > swap:
    > root@host # echo 1001:2:50 > /proc/overcommit_uid
    > root@host # echo 1002:2:50 > /proc/overcommit_uid

    There are some fundamental problems with this model - the moment you mix
    strict overcommit with anything else it ceases to be a strict overcommit
    and you might as well use existing overcommit rules for most stuff

    The other thing you are sort of faking is per user resource management -
    which is a subset of per group of users resource management which is
    useful - eg "students can't hog the machine"

    I don't see that this is the right approach compared with the container
    work and openvz work that is currently active and far more flexible.

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      Last update: 2007-05-07 22:21    [W:0.028 / U:4.552 seconds]
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