From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3D606C43142 for ; Thu, 21 Jun 2018 23:16:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F104F22533 for ; Thu, 21 Jun 2018 23:16:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F104F22533 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.alibaba.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934159AbeFUXQc (ORCPT ); Thu, 21 Jun 2018 19:16:32 -0400 Received: from out30-133.freemail.mail.aliyun.com ([115.124.30.133]:52461 "EHLO out30-133.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934057AbeFUXQR (ORCPT ); Thu, 21 Jun 2018 19:16:17 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R121e4;CH=green;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e07486;MF=yang.shi@linux.alibaba.com;NM=1;PH=DS;RN=7;SR=0;TI=SMTPD_---0T389Jdj_1529622950; Received: from e19h19392.et15sqa.tbsite.net(mailfrom:yang.shi@linux.alibaba.com fp:SMTPD_---0T389Jdj_1529622950) by smtp.aliyun-inc.com(127.0.0.1); Fri, 22 Jun 2018 07:16:01 +0800 From: Yang Shi To: hughd@google.com, kirill.shutemov@linux.intel.com, vbabka@suse.cz, akpm@linux-foundation.org Cc: yang.shi@linux.alibaba.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [v2 PATCH 2/2] mm: thp: inc counter for collapsed shmem THP Date: Fri, 22 Jun 2018 07:15:49 +0800 Message-Id: <1529622949-75504-2-git-send-email-yang.shi@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1529622949-75504-1-git-send-email-yang.shi@linux.alibaba.com> References: <1529622949-75504-1-git-send-email-yang.shi@linux.alibaba.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org /sys/kernel/mm/transparent_hugepage/khugepaged/pages_collapsed is used to record the counter of collapsed THP, but it just gets inc'ed in anonymous THP collapse path, do this for shmem THP collapse too. Signed-off-by: Yang Shi Cc: Hugh Dickins Cc: Kirill A. Shutemov Cc: Vlastimil Babka --- v1 --> v2: * Seperate from the previous patch per Kirill's comment mm/khugepaged.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/mm/khugepaged.c b/mm/khugepaged.c index 9b0ec30..4018826 100644 --- a/mm/khugepaged.c +++ b/mm/khugepaged.c @@ -1521,6 +1521,8 @@ static void collapse_shmem(struct mm_struct *mm, unlock_page(new_page); *hpage = NULL; + + khugepaged_pages_collapsed++; } else { /* Something went wrong: rollback changes to the radix-tree */ shmem_uncharge(mapping->host, nr_none); -- 1.8.3.1