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 EE0C4C433F5 for ; Tue, 28 Sep 2021 05:58:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DA5986120D for ; Tue, 28 Sep 2021 05:58:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239240AbhI1GAZ (ORCPT ); Tue, 28 Sep 2021 02:00:25 -0400 Received: from mail.kernel.org ([198.145.29.99]:49572 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239195AbhI1F6k (ORCPT ); Tue, 28 Sep 2021 01:58:40 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id B4C20611CA; Tue, 28 Sep 2021 05:56:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1632808603; bh=URTIX7csHgSfr/PXlRPi6sf11mamz8TaxWjqo7QXMAY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rIWaEYZTOdGTTnMBy7yAOj6bx+yOl06sSnnLfnXspkYotAhZ68vW975MJlOVE+szX rlF0h7QCt+9588dh9kawjQz7RKYntIaJAga67ym1/3GTAhuCtXPIXvqEpG8alfDRmX hqhpU4qB+KblD4vphi6NV2lUCVcHZxbviH6aUjcj9CeYTKWmju4NiRJIusyuOm5o7o F580ETeMaHvS8tAIeS/PesOuxDeg7/RSt3Y2Vrzi97dYxM4kJ1Pfp720yxnQA6kfti jQ4uCHVZDLVDv9IBy3G9hVCPC14YiJUz7sjWRY/zcpucBhRReKtu/KuqplyBaDSC0K Ivt99lXAiYGYQ== 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 5.14 39/40] tools/vm/page-types: remove dependency on opt_file for idle page tracking Date: Tue, 28 Sep 2021 01:55:23 -0400 Message-Id: <20210928055524.172051-39-sashal@kernel.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210928055524.172051-1-sashal@kernel.org> References: <20210928055524.172051-1-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 0517c744b04e..f62f10c988db 100644 --- a/tools/vm/page-types.c +++ b/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) -- 2.33.0