[PATCH v2 4/5] mm/page_alloc.c: use helper function zone_spans_pfn()
From: Miaohe Lin <linmiaohe@huawei.com>
Date: 2021-09-02 12:12:39
Also in:
lkml
Subsystem:
memory management, memory management - page allocator, the rest · Maintainers:
Andrew Morton, Vlastimil Babka, Linus Torvalds
Use helper function zone_spans_pfn() to check whether pfn is within a zone to simplify the code slightly. Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Acked-by: Mel Gorman <redacted> Reviewed-by: David Hildenbrand <redacted> --- mm/page_alloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index f7fcbac2d091..9c09dcb24149 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c@@ -1581,7 +1581,7 @@ static void __meminit init_reserved_page(unsigned long pfn) for (zid = 0; zid < MAX_NR_ZONES; zid++) { struct zone *zone = &pgdat->node_zones[zid]; - if (pfn >= zone->zone_start_pfn && pfn < zone_end_pfn(zone)) + if (zone_spans_pfn(zone, pfn)) break; } __init_single_page(pfn_to_page(pfn), pfn, zid, nid);
--
2.23.0