| Subject | Re: [PATCH v5 6/9] mm/demotion: Add support for removing node from demotion memory tiers | From | Tim Chen <> | Date | Tue, 07 Jun 2022 16:40:00 -0700 |
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On Fri, 2022-06-03 at 19:12 +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.
And also such node will not participate in promotion. That is, hot memory in it will not be promoted to other nodes.
> > 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# > >
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