From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-it0-f70.google.com (mail-it0-f70.google.com [209.85.214.70]) by kanga.kvack.org (Postfix) with ESMTP id BE2556B0253 for ; Tue, 19 Jul 2016 10:27:51 -0400 (EDT) Received: by mail-it0-f70.google.com with SMTP id u186so45122533ita.0 for ; Tue, 19 Jul 2016 07:27:51 -0700 (PDT) Received: from szxga01-in.huawei.com (szxga01-in.huawei.com. [58.251.152.64]) by mx.google.com with ESMTPS id 7si12325561oto.151.2016.07.19.07.27.50 for (version=TLS1 cipher=AES128-SHA bits=128/128); Tue, 19 Jul 2016 07:27:51 -0700 (PDT) From: zhongjiang Subject: [PATCH] mm/page_owner: Align with pageblock_nr pages Date: Tue, 19 Jul 2016 22:22:16 +0800 Message-ID: <1468938136-24228-1-git-send-email-zhongjiang@huawei.com> MIME-Version: 1.0 Content-Type: text/plain Sender: owner-linux-mm@kvack.org List-ID: To: iamjoonsoo.kim@lge.com, akpm@linux-foundation.org, mhocko@kernel.org Cc: linux-mm@kvack.org From: zhong jiang 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 --- 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org