From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f69.google.com (mail-wm0-f69.google.com [74.125.82.69]) by kanga.kvack.org (Postfix) with ESMTP id 0BDE36B026E for ; Thu, 30 Nov 2017 17:15:56 -0500 (EST) Received: by mail-wm0-f69.google.com with SMTP id v8so92256wmh.2 for ; Thu, 30 Nov 2017 14:15:56 -0800 (PST) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org. [140.211.169.12]) by mx.google.com with ESMTPS id m19si3943763wrf.445.2017.11.30.14.15.54 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 30 Nov 2017 14:15:54 -0800 (PST) Date: Thu, 30 Nov 2017 14:15:52 -0800 From: akpm@linux-foundation.org Subject: [patch 13/15] mm/page_owner: align with pageblock_nr pages Message-ID: <5a208318./AHclpWAWggUsQYT%akpm@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: linux-mm@kvack.org, akpm@linux-foundation.org, zhongjiang@huawei.com, mhocko@kernel.org From: zhong jiang Subject: mm/page_owner: align with pageblock_nr pages When pfn_valid(pfn) returns false, pfn should be aligned 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. Link: http://lkml.kernel.org/r/1468938136-24228-1-git-send-email-zhongjiang@huawei.com Signed-off-by: zhong jiang Cc: Michal Hocko Signed-off-by: Andrew Morton --- mm/page_owner.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff -puN mm/page_owner.c~mm-page_owner-align-with-pageblock_nr-pages mm/page_owner.c --- a/mm/page_owner.c~mm-page_owner-align-with-pageblock_nr-pages +++ a/mm/page_owner.c @@ -544,7 +544,7 @@ static void init_pages_in_zone(pg_data_t */ for (; pfn < end_pfn; ) { if (!pfn_valid(pfn)) { - pfn = ALIGN(pfn + 1, MAX_ORDER_NR_PAGES); + pfn = ALIGN(pfn + 1, pageblock_nr_pages); continue; } _ -- 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