[PATCH 2/3] anti-fragmentation: switch over to pfn_valid_within()

[Andy Whitcroft]

Move to using pfn_valid_within().

Signed-off-by: Andy Whitcroft <andyw@xxxxxxxxxx>
Acked-by: Mel Gorman <mel@xxxxxxxxx>
---
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 695b5a6..3d7c29e 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -747,12 +747,10 @@ int move_freepages(struct zone *zone,
 #endif
 
 	for (page = start_page; page < end_page;) {
-#ifdef CONFIG_HOLES_IN_ZONE
-		if (!pfn_valid(page_to_pfn(page))) {
+		if (!pfn_valid_within(page_to_pfn(page))) {
 			page++;
 			continue;
 		}
-#endif
 
 		if (!PageBuddy(page)) {
 			page++;
-
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