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SubjectRe: [PATCH v3] resource: Merge resources on a node when hot-adding memory
On Fri, Aug 10, 2018 at 11:00 PM, Michal Hocko <> wrote:
> On Fri 10-08-18 16:55:40, Rashmica Gupta wrote:
> [...]
>> Most memory hotplug/hotremove seems to be block or section based, and
>> always adds and removes memory at the same place.
> Yes and that is hard wired to the memory hotplug code. It is not easy to
> make it work outside of section units restriction. So whatever your
> memtrace is doing and if it relies on subsection hotplug it cannot
> possibly work with the current code.
> I didn't get to review your patch but if it is only needed for an
> unmerged code I would rather incline to not merge it unless it is a
> clear win to the resource subsystem. A report from Oscar shows that this
> is not the case though.

Yup, makes sense. I'll work on it and see if I can not break things.

> --
> Michal Hocko
> SUSE Labs

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