Re: [PATCH 6/9] mm, page_alloc: simplify zonelist initialization

From: Michal Hocko
Date: Mon Jul 17 2017 - 04:19:54 EST


On Mon 17-07-17 09:07:23, Mel Gorman wrote:
> On Mon, Jul 17, 2017 at 08:06:40AM +0200, Michal Hocko wrote:
> > On Fri 14-07-17 15:18:23, Mel Gorman wrote:
> > > Fairly sure that's not what you meant.
> > >
> > >
> > > > pg_data_t *node = NODE_DATA(node_order[i]);
> > > >
> > > > - zoneref_idx = build_zonelists_node(node, zonelist, zoneref_idx);
> > > > + nr_zones = build_zonelists_node(node, zonelist, nr_zones);
> > >
> > > I meant converting build_zonelists_node and passing in &nr_zones and
> > > returning false when an empty node is encountered. In this context,
> > > it's also not about zones, it really is nr_zonerefs. Rename nr_zones in
> > > build_zonelists_node as well.
> >
> > hmm, why don't we rather make it zonerefs based then. Something
> > like the following?
>
> Works for me.

Should I fold it to the patch or make it a patch on its own?
--
Michal Hocko
SUSE Labs