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SubjectRe: [RFC PATCH v4 6/7] mm/demotion: Add support for removing node from demotion memory tiers
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On Fri, 2022-05-27 at 17:55 +0530, Aneesh Kumar K.V wrote:
> This patch adds the special string "none" as a supported memtier value
> that we can use to remove a specific node from being using as demotion target.
>
> For ex:
> :/sys/devices/system/node/node1# cat memtier
> 1
> :/sys/devices/system/node/node1# cat ../../memtier/memtier1/nodelist
> 1-3
> :/sys/devices/system/node/node1# echo none > memtier
> :/sys/devices/system/node/node1#
> :/sys/devices/system/node/node1# cat memtier
> :/sys/devices/system/node/node1# cat ../../memtier/memtier1/nodelist
> 2-3
> :/sys/devices/system/node/node1#

Why do you need this? Do you have some real users?

Best Regards,
Huang, Ying


[snip]


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