diff mbox series

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

Message ID 20191001144011.3801-8-david@redhat.com (mailing list archive)
State New, archived
Headers show
Series [v5,01/10] mm/memunmap: Use the correct start and end pfn when removing pages from zone | expand

Commit Message

David Hildenbrand Oct. 1, 2019, 2:40 p.m. UTC 
With shrink_pgdat_span() out of the way, we now always have a valid
zone.

Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: David Hildenbrand <david@redhat.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Pavel Tatashin <pasha.tatashin@soleen.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Wei Yang <richardw.yang@linux.intel.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
---
 mm/memory_hotplug.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

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;