From: zhong jiang <zhongjiang@xxxxxxxxxx>
when pfn_valid(pfn) return false, pfn should be align with
pageblock_nr_pages other than MAX_ORDER_NR_PAGES in
init_pages_in_zone, because the skipped 2M may be valid pfn,
as a result, early allocated count will not be accurate.
Signed-off-by: zhong jiang <zhongjiang@xxxxxxxxxx>
---
mm/page_owner.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/page_owner.c b/mm/page_owner.c
index c6cda3e..aa2c486 100644
--- a/mm/page_owner.c
+++ b/mm/page_owner.c
@@ -310,7 +310,7 @@ static void init_pages_in_zone(pg_data_t *pgdat, struct zone *zone)
*/
for (; pfn < end_pfn; ) {
if (!pfn_valid(pfn)) {
- pfn = ALIGN(pfn + 1, MAX_ORDER_NR_PAGES);
+ pfn = ALIGN(pfn + 1, pageblock_nr_pages);
continue;
}
--
1.8.3.1
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