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SubjectRe: [patch -mm] cpusets: add memory_slab_hardwall flag
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> On Mon, 9 Mar 2009, Christoph Lameter wrote:
>
> > Again these are fastpath modifications.
> >
>
> The nature of the change requires the logic to be placed in the fastpath
> to determine whether a cpu slab's node is allowed by the allocating task's
> cpuset.
>
> You have previously stated that you would prefer that this feature be
> tunable from userspace. This patch adds the `memory_slab_hardwall' cpuset
> flag which defaults to off.

That's pointless.
Again, any fastpath modification should have reasonable reason.
We are looking for your explanation.

I have each 6+ year experience on embedded, HPC, and high-end server area.
but I haven't hear this requirement. I still can't imazine who use this feature.





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