Messages in this thread | | | Date | Wed, 20 Jan 2010 12:12:55 -0600 (CST) | From | Christoph Lameter <> | Subject | Re: [PATCH 5/7] Add /proc trigger for memory compaction |
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On Wed, 20 Jan 2010, Mel Gorman wrote:
> True, although the per-node structures are only available on NUMA making > it necessary to have two interfaces. The per-node one is handy enough > because it would be just > > /sys/devices/system/node/nodeX/compact_node > When written to, this node is compacted by the writing process > > But there does not appear to be a "good" way of having a non-NUMA > interface. /sys/devices/system/node does not exist .... Does anyone > remember why !NUMA does not have a /sys/devices/system/node/node0? Is > there a good reason or was there just no point?
We could create a fake node0 for the !NUMA case I guess? Dont see a major reason why not to do it aside from scripts that may check for the presence of the file to switch to a "NUMA" mode.
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