Re: UBIFS and page migration (take 3)

From: Christoph Hellwig
Date: Tue May 17 2016 - 05:12:35 EST


On Mon, May 16, 2016 at 03:03:55PM +0200, Vlastimil Babka wrote:
> On 05/16/2016 02:44 PM, Richard Weinberger wrote:
> >MM folks, do we have a way to force page migration?
>
> On NUMA we have migrate_pages(2).

Do we have existing sets of it? Otherwise it would be good to find
a way to wire it up for xfstests so that we enforce migratepage
is called. Once I get some time I'll see how often we end up
calling migratepage for a normal QA run.