From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-oi0-f71.google.com (mail-oi0-f71.google.com [209.85.218.71]) by kanga.kvack.org (Postfix) with ESMTP id 8B3AF6B0279 for ; Thu, 25 May 2017 04:06:01 -0400 (EDT) Received: by mail-oi0-f71.google.com with SMTP id o65so236164880oif.15 for ; Thu, 25 May 2017 01:06:01 -0700 (PDT) Received: from szxga01-in.huawei.com (szxga01-in.huawei.com. [45.249.212.187]) by mx.google.com with ESMTPS id n6si3650090otn.130.2017.05.25.01.05.59 for (version=TLS1 cipher=AES128-SHA bits=128/128); Thu, 25 May 2017 01:06:00 -0700 (PDT) From: zhongjiang Subject: [RFC PATCH] mm: fix mlock incorrent event account Date: Thu, 25 May 2017 15:59:39 +0800 Message-ID: <1495699179-7566-1-git-send-email-zhongjiang@huawei.com> MIME-Version: 1.0 Content-Type: text/plain Sender: owner-linux-mm@kvack.org List-ID: To: akpm@linux-foundation.org Cc: vbabka@suse.cz, mhocko@suse.cz, qiuxishi@huawei.com, linux-mm@kvack.org, zhongjiang@huawei.com From: zhong jiang when clear_page_mlock call, we had finish the page isolate successfully, but it fails to increase the UNEVICTABLE_PGMUNLOCKED account. The patch add the event account when successful page isolation. Signed-off-by: zhong jiang --- mm/mlock.c | 1 + 1 file changed, 1 insertion(+) diff --git a/mm/mlock.c b/mm/mlock.c index c483c5c..941930b 100644 --- a/mm/mlock.c +++ b/mm/mlock.c @@ -64,6 +64,7 @@ void clear_page_mlock(struct page *page) -hpage_nr_pages(page)); count_vm_event(UNEVICTABLE_PGCLEARED); if (!isolate_lru_page(page)) { + count_vm_event(UNEVICTABLE_PGMUNLOCKED); putback_lru_page(page); } else { /* -- 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