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.weiyang@xxxxxxxxx>
> ---
> 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.
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);
}
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