On Tue 27-06-17 10:26:38, Anshuman Khandual wrote:
> On 06/27/2017 04:49 AM, Wei Yang wrote:
> > There is an unused variable in move_pfn_range_to_zone().
> >
> > This patch just removes it.
> >
> > Signed-off-by: Wei Yang <richard.weiy...@gmail.com>
> > ---
> > mm/memory_hotplug.c | 1 -
> > 1 file changed, 1 deletion(-)
> >
> > diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
> > index 514014dde16b..16167c92bbf1 100644
> > --- a/mm/memory_hotplug.c
> > +++ b/mm/memory_hotplug.c
> > @@ -899,7 +899,6 @@ void __ref move_pfn_range_to_zone(struct zone *zone,
> > struct pglist_data *pgdat = zone->zone_pgdat;
> > int nid = pgdat->node_id;
> > unsigned long flags;
> > - unsigned long i;
> >
> > if (zone_is_empty(zone))
> > init_currently_empty_zone(zone, start_pfn, nr_pages);
>
> We have this down in the function. IIRC I had checked out tag
> mmotm-2017-06-16-13-59 where I am looking out for this function.
It's a follow up for
mm-memory_hotplug-do-not-associate-hotadded-memory-to-zones-until-online-fix-2.patch
in mmotm-2017-06-23-15-03
>
> for (i = 0; i < nr_pages; i++) {
> unsigned long pfn = start_pfn + i;
> set_page_links(pfn_to_page(pfn), zone_idx(zone), nid, pfn);
> }
>
>
--
Michal Hocko
SUSE Labs
