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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8DA8CC433EF for ; Tue, 28 Sep 2021 06:03:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 615A86101A for ; Tue, 28 Sep 2021 06:03:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239098AbhI1GFe (ORCPT ); Tue, 28 Sep 2021 02:05:34 -0400 Received: from mail.kernel.org ([198.145.29.99]:49036 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239324AbhI1GA4 (ORCPT ); Tue, 28 Sep 2021 02:00:56 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 91984613A2; Tue, 28 Sep 2021 05:57:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1632808645; bh=vItgBdU7Zpij+YFPmETvQ4GYWk6GNPFn4Vv0M4mh/zk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=oQayqJ2xPYInnhxjCiN9GiS0VbV+FbLvhKwqQNjRJcbQ0VTEjogPlwJ9I2GgvEP0u aLD0zICi+dt5LyV52yxMKKhXq7ZqjSuU3Eb2Hhar3MKq899VUWmNm1BWrd0RLbHvt7 eo9l5Eax7CqTG97VAkZxrD3UXx2ttX7HRNQVNOTYFzg+OxFNK7XFFyRLYN+2ut+Zaf Rn6EpbenfsAAp9K6Zy4ASuyt/mW3wlMnKi7hv11WmJ/U2C3mQD4u5ppOLROPF7srbf V2JK2bMxIeY934pEmwl9fkgZpZZ7cZqQNn4tw5QBjhqvfBNbIcWHl5HLoDzpPiniZV 7F78rCfdfDMJA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Changbin Du , Andrew Morton , Linus Torvalds , Sasha Levin , changbin.du@intel.com Subject: [PATCH AUTOSEL 4.19 10/10] tools/vm/page-types: remove dependency on opt_file for idle page tracking Date: Tue, 28 Sep 2021 01:57:16 -0400 Message-Id: <20210928055716.172951-10-sashal@kernel.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210928055716.172951-1-sashal@kernel.org> References: <20210928055716.172951-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Changbin Du [ Upstream commit ebaeab2fe87987cef28eb5ab174c42cd28594387 ] 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 ... Link: https://lkml.kernel.org/r/20210917032826.10669-1-changbin.du@gmail.com Signed-off-by: Changbin Du Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds Signed-off-by: Sasha Levin --- tools/vm/page-types.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/vm/page-types.c b/tools/vm/page-types.c index 1ff3a6c0367b..89063b967b6b 100644 --- a/tools/vm/page-types.c +++ b/tools/vm/page-types.c @@ -1341,7 +1341,7 @@ 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) -- 2.33.0