[PATCH v5 07/10] mm/memory_hotplug: We always have a zone in find_(smallest|biggest)_section_pfn
From: David Hildenbrand <hidden>
Date: 2019-10-01 14:41:34
Also in:
linux-arm-kernel, linux-mm, linux-s390, linux-sh, lkml
Subsystem:
memory hot(un)plug, memory management, the rest · Maintainers:
David Hildenbrand, Oscar Salvador, Andrew Morton, Linus Torvalds
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 <redacted> Cc: Michal Hocko <mhocko@suse.com> Cc: Pavel Tatashin <pasha.tatashin@soleen.com> Cc: Dan Williams <redacted> Cc: Wei Yang <redacted> Signed-off-by: David Hildenbrand <redacted> --- 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