Re: [PATCH 2/3] mm, migrate: remove reason argument from new_page_t

From: Michal Hocko
Date: Wed Jan 03 2018 - 09:09:32 EST


On Wed 03-01-18 19:30:38, Anshuman Khandual wrote:
> On 01/03/2018 01:55 PM, Michal Hocko wrote:
> > From: Michal Hocko <mhocko@xxxxxxxx>
> >
> > No allocation callback is using this argument anymore. new_page_node
> > used to use this parameter to convey node_id resp. migration error
> > up to move_pages code (do_move_page_to_node_array). The error status
> > never made it into the final status field and we have a better way
> > to communicate node id to the status field now. All other allocation
> > callbacks simply ignored the argument so we can drop it finally.
>
> There is a migrate_pages() call in powerpc which needs to be changed
> as well. It was failing the build on powerpc.

Yes, see http://lkml.kernel.org/r/20180103091134.GB11319@xxxxxxxxxxxxxx

--
Michal Hocko
SUSE Labs