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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 B365DC433F5 for ; Sun, 19 Sep 2021 23:44:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 81BC061004 for ; Sun, 19 Sep 2021 23:44:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233590AbhISXpm (ORCPT ); Sun, 19 Sep 2021 19:45:42 -0400 Received: from mail.kernel.org ([198.145.29.99]:47234 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229517AbhISXpm (ORCPT ); Sun, 19 Sep 2021 19:45:42 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 1C89861004; Sun, 19 Sep 2021 23:44:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1632095056; bh=WgkcjbQjrpAineOqXUZjjbiNuTOtVOocfO0UH8W4K/A=; h=Date:From:To:Subject:From; b=NgSMvODHcGMuSlw+XiV5LWchPUI9UCewZpQJtLGw9cVm/N9CEYOEJ8Wuj4gQN0OJ4 mdL7u6lUYPP2Z9ID+7ScuAWAyf58H7uGxNmc6PN8eb3YarjDGNP0jALk/knly65axg cQODfLb5DJg5T5ZD0a19Bk3SjQYb/zlkU4+lwo40= Date: Sun, 19 Sep 2021 16:44:15 -0700 From: akpm@linux-foundation.org To: mm-commits@vger.kernel.org, changbin.du@gmail.com Subject: + tools-vm-page-types-remove-dependency-on-opt_file-for-idle-page-tracking.patch added to -mm tree Message-ID: <20210919234415.GeLrf%akpm@linux-foundation.org> User-Agent: s-nail v14.9.10 Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The patch titled Subject: tools/vm/page-types: remove dependency on opt_file for idle page tracking has been added to the -mm tree. Its filename is tools-vm-page-types-remove-dependency-on-opt_file-for-idle-page-tracking.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/tools-vm-page-types-remove-dependency-on-opt_file-for-idle-page-tracking.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/tools-vm-page-types-remove-dependency-on-opt_file-for-idle-page-tracking.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Changbin Du Subject: tools/vm/page-types: remove dependency on opt_file for idle page tracking Idle page tracking can also be used for process address space, not only file mappings. Without this change, using with '-i' option for process address space encounters below errors reported. $ sudo ./page-types -p $(pidof bash) -i mark page idle: Bad file descriptor mark page idle: Bad file descriptor mark page idle: Bad file descriptor mark page idle: Bad file descriptor mark page idle: Bad file descriptor mark page idle: Bad file descriptor .... Link: https://lkml.kernel.org/r/20210917032826.10669-1-changbin.du@gmail.com Signed-off-by: Changbin Du Signed-off-by: Andrew Morton --- tools/vm/page-types.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/tools/vm/page-types.c~tools-vm-page-types-remove-dependency-on-opt_file-for-idle-page-tracking +++ a/tools/vm/page-types.c @@ -1331,7 +1331,7 @@ int main(int argc, char *argv[]) if (opt_list && opt_list_mapcnt) kpagecount_fd = checked_open(PROC_KPAGECOUNT, O_RDONLY); - if (opt_mark_idle && opt_file) + if (opt_mark_idle) page_idle_fd = checked_open(SYS_KERNEL_MM_PAGE_IDLE, O_RDWR); if (opt_list && opt_pid) _ Patches currently in -mm which might be from changbin.du@gmail.com are tools-vm-page-types-remove-dependency-on-opt_file-for-idle-page-tracking.patch