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 F33156B026F for ; Thu, 30 Nov 2017 17:15:58 -0500 (EST) Received: by mail-wm0-f69.google.com with SMTP id a141so83282wma.8 for ; Thu, 30 Nov 2017 14:15:58 -0800 (PST) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org. [140.211.169.12]) by mx.google.com with ESMTPS id d23si4149114wra.15.2017.11.30.14.15.57 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 30 Nov 2017 14:15:57 -0800 (PST) Date: Thu, 30 Nov 2017 14:15:55 -0800 From: akpm@linux-foundation.org Subject: [patch 14/15] mm/vmstat.c: walk the zone in pageblock_nr_pages steps Message-ID: <5a20831b.ULuDgReaEYdaW2tL%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, iamjoonsoo.kim@lge.com From: zhong jiang Subject: mm/vmstat.c: walk the zone in pageblock_nr_pages steps when walking the zone, we can happens to the holes. we should not align MAX_ORDER_NR_PAGES, so it can skip the normal memory. In addition, pagetypeinfo_showmixedcount_print reflect fragmentization. we hope to get more accurate data. therefore, I decide to fix it. Link: http://lkml.kernel.org/r/1469502526-24486-2-git-send-email-zhongjiang@huawei.com Signed-off-by: zhong jiang Cc: Joonsoo Kim Signed-off-by: Andrew Morton --- mm/page_owner.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff -puN mm/page_owner.c~mm-walk-the-zone-in-pageblock_nr_pages-steps mm/page_owner.c --- a/mm/page_owner.c~mm-walk-the-zone-in-pageblock_nr_pages-steps +++ a/mm/page_owner.c @@ -274,7 +274,7 @@ void pagetypeinfo_showmixedcount_print(s */ 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