Re: [PATCH 0/5] Swap Migration V5: Overview

[Hirokazu Takahashi]

Hi Christoph,

> > > > > Do you think the features which these patches add should be Kconfigurable?
> > 
> > This code looks no help for hot-remove. It seems able to handle only
> > pages easily to migrate, while hot-remove has to guarantee all pages
> > can be migrated.
> 
> Right.
> 
> > Hi Christoph, sorry I've been off from lhms for long time.
> > 
> > Shall I port the generic memory migration code for hot-remove to -mm tree
> > directly, and add some new interface like migrate_page_to(struct page *from,
> > struct page *to) so this may probably fit for your purpose.
> > 
> > The code is still in Dave's mhp1 tree waiting for being merged to -mm tree.
> > The port will be easy because the migration code is independent to the
> > memory hotplug code. The core code isn't so big.
> 
> Please follow the discussion on lhms-devel. I am trying to bring these two 
> things together.

OK, I'll look over it.

Thanks.
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