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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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