[PATCH v5 07/10] mm/memory_hotplug: We always have a zone in find_(smallest|biggest)_section_pfn

[David Hildenbrand]

With shrink_pgdat_span() out of the way, we now always have a valid
zone.

Cc: Andrew Morton <a...@linux-foundation.org>
Cc: Oscar Salvador <osalva...@suse.de>
Cc: David Hildenbrand <da...@redhat.com>
Cc: Michal Hocko <mho...@suse.com>
Cc: Pavel Tatashin <pasha.tatas...@soleen.com>
Cc: Dan Williams <dan.j.willi...@intel.com>
Cc: Wei Yang <richardw.y...@linux.intel.com>
Signed-off-by: David Hildenbrand <da...@redhat.com>
---
 mm/memory_hotplug.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 640309236a58..273833612774 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -337,7 +337,7 @@ static unsigned long find_smallest_section_pfn(int nid, 
struct zone *zone,
                if (unlikely(pfn_to_nid(start_pfn) != nid))
                        continue;
 
-               if (zone && zone != page_zone(pfn_to_page(start_pfn)))
+               if (zone != page_zone(pfn_to_page(start_pfn)))
                        continue;
 
                return start_pfn;
@@ -362,7 +362,7 @@ static unsigned long find_biggest_section_pfn(int nid, 
struct zone *zone,
                if (unlikely(pfn_to_nid(pfn) != nid))
                        continue;
 
-               if (zone && zone != page_zone(pfn_to_page(pfn)))
+               if (zone != page_zone(pfn_to_page(pfn)))
                        continue;
 
                return pfn;
-- 
2.21.0