[106/262] mm/page_alloc.c: use helper function zone_spans_pfn()

Commit Message

Andrew Morton Nov. 5, 2021, 8:40 p.m. UTC

From: Miaohe Lin <[e-mail]>
Subject: mm/page_alloc.c: use helper function zone_spans_pfn()

Use helper function zone_spans_pfn() to check whether pfn is within a zone
to simplify the code slightly.

Link: https://lkml.kernel.org/r/[e-mail]
Signed-off-by: Miaohe Lin <[e-mail]>
Acked-by: Mel Gorman <[e-mail]>
Reviewed-by: David Hildenbrand <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Cc: Stephen Rothwell <[e-mail]>
Cc: Vlastimil Babka <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
---

 mm/page_alloc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch

--- a/mm/page_alloc.c~mm-page_allocc-use-helper-function-zone_spans_pfn
+++ a/mm/page_alloc.c
@@ -1583,7 +1583,7 @@  static void __meminit init_reserved_page
 	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);