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    SubjectRe: [RFC PATCH 0/1] sched: Add a new API to find the prefer idlest cpu
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    Hello Ingo, Peter,

    Have you had chance to review below patch?

    Thanks
    Shirley

    On Sun, 2012-07-22 at 23:57 -0700, Shirley Ma wrote:
    > Introduce a new API to choose per-cpu thread from cgroup control cpuset
    > (allowed) and preferred cpuset (local numa-node).
    >
    > The receiving cpus of a networking device are not under cgroup controls.
    > When such a networking device uses per-cpu thread model, the cpu which
    > is chose to process the packets might not be part of cgroup cpusets
    > without this API. On numa system, the preferred cpusets would help to
    > reduce expensive cross memory access to/from the other node.
    >
    > Signed-off-by: Shirley Ma <xma@us.ibm.com>
    > ---
    >
    > include/linux/sched.h | 2 ++
    > kernel/sched/fair.c | 30 ++++++++++++++++++++++++++++++
    > 2 files changed, 32 insertions(+), 0 deletions(-)
    >
    > Thanks
    > Shirley
    >
    >
    >
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