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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 90ED9CA9ED3 for ; Tue, 5 Nov 2019 02:27:02 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 44DEF214E0 for ; Tue, 5 Nov 2019 02:27:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 44DEF214E0 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id A16416B0003; Mon, 4 Nov 2019 21:27:01 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 99EC36B0006; Mon, 4 Nov 2019 21:27:01 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 88FD36B0007; Mon, 4 Nov 2019 21:27:01 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0177.hostedemail.com [216.40.44.177]) by kanga.kvack.org (Postfix) with ESMTP id 662626B0003 for ; Mon, 4 Nov 2019 21:27:01 -0500 (EST) Received: from smtpin06.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with SMTP id 129B140D6 for ; Tue, 5 Nov 2019 02:27:01 +0000 (UTC) X-FDA: 76120636242.06.scale13_77632b550d155 X-HE-Tag: scale13_77632b550d155 X-Filterd-Recvd-Size: 1384 Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by imf44.hostedemail.com (Postfix) with ESMTP for ; Tue, 5 Nov 2019 02:27:00 +0000 (UTC) X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 04 Nov 2019 18:26:58 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.68,269,1569308400"; d="scan'208";a="232298686" Received: from richard.sh.intel.com (HELO localhost) ([10.239.159.54]) by fmsmga002.fm.intel.com with ESMTP; 04 Nov 2019 18:26:55 -0800 Date: Tue, 5 Nov 2019 10:26:44 +0800 From: Wei Yang To: linux-mm@kvack.org Subject: Why sometimes count vm event with page number, sometimes not? Message-ID: <20191105022643.GA14722@richard> Reply-To: Wei Yang MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.9.4 (2018-02-28) X-Bogosity: Ham, tests=bogofilter, spamicity=0.007152, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hi, All, I am curious about the semantic of __count_vm_event[s]. For example, we count PGDEACTIVATE event in lru_deactivate_file_fn() and lru_deactivate_fn(). One of them count with number of page, the other not. Just curious about the exact value we want to count. -- Wei Yang Help you, Help me