From: zhongjiang <zhongjiang@huawei.com>
To: iamjoonsoo.kim@lge.com, akpm@linux-foundation.org, mhocko@kernel.org
Cc: linux-mm@kvack.org
Subject: [PATCH] mm/page_owner: Align with pageblock_nr pages
Date: Tue, 19 Jul 2016 22:22:16 +0800 [thread overview]
Message-ID: <1468938136-24228-1-git-send-email-zhongjiang@huawei.com> (raw)
From: zhong jiang <zhongjiang@huawei.com>
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@huawei.com>
---
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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next reply other threads:[~2016-07-19 14:27 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-19 14:22 zhongjiang [this message]
2016-07-20 7:24 ` [PATCH] mm/page_owner: Align with pageblock_nr pages Michal Hocko
2016-07-21 12:21 ` Vlastimil Babka
2016-07-21 13:43 ` Michal Hocko
2016-07-21 13:50 ` Vlastimil Babka
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