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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 ADBDDC433E0 for ; Wed, 20 May 2020 04:02:19 +0000 (UTC) Received: from shelob.surriel.com (shelob.surriel.com [96.67.55.147]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 60CFD2075F for ; Wed, 20 May 2020 04:02:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 60CFD2075F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=vt.edu Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kernelnewbies-bounces@kernelnewbies.org Received: from localhost ([::1] helo=shelob.surriel.com) by shelob.surriel.com with esmtp (Exim 4.93) (envelope-from ) id 1jbFvD-0001RE-HK; Wed, 20 May 2020 00:01:35 -0400 Received: from omr2.cc.ipv6.vt.edu ([2607:b400:92:8400:0:33:fb76:806e] helo=omr2.cc.vt.edu) by shelob.surriel.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.93) (envelope-from ) id 1jbFvB-0001R1-5r for kernelnewbies@kernelnewbies.org; Wed, 20 May 2020 00:01:33 -0400 Received: from mr3.cc.vt.edu (mr3.cc.ipv6.vt.edu [IPv6:2607:b400:92:8500:0:7f:b804:6b0a]) by omr2.cc.vt.edu (8.14.4/8.14.4) with ESMTP id 04K41UJW031495 for ; Wed, 20 May 2020 00:01:31 -0400 Received: from mail-qv1-f69.google.com (mail-qv1-f69.google.com [209.85.219.69]) by mr3.cc.vt.edu (8.14.7/8.14.7) with ESMTP id 04K41P4K017265 for ; Wed, 20 May 2020 00:01:30 -0400 Received: by mail-qv1-f69.google.com with SMTP id dm14so2308712qvb.7 for ; Tue, 19 May 2020 21:01:30 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:in-reply-to:references :mime-version:content-transfer-encoding:date:message-id; bh=9cEkHKKrUTnMWRLbEA9h5lCMVSa29MhM0SZM2VVCMlI=; b=aW2RUpgnjO0Y8hjzc/dbzBiZ91Lye6MAcs3NBkUZXCUFYPtFnRRmvvkMO2bYwENmbt eT8ehWo64kjcZOqBBJm9ImIoM/LmD6xD+gNu21KlYoPP8nWJEde/hxveHl8QLFvsTs72 Ifdwy9m7LCMzN5uY7oFRPO/s3/Kn7+/W0Y8zbKt9bBEZ6DWwQLBLsQA4bbTsr6auRI7j /wPUe0CSbbP3obrQIBR8D5c3U2W2DkEc8qS8TgBuA6aU1Ch5IgQbMB4fO+aBqpW8Tuo0 V4RbN7XQRrntAC/cdEM3Jjf72KbwFW4mxumlNG8KxSz0yFbK2GCox/5sY23M5k+JkkO2 oJjA== X-Gm-Message-State: AOAM530hs+j/f2VA6lt5UV8rmL4+kTYWKiY6b5vgTaeHmsPhtCfBYxtD f7WMVGlxGCVF18oZ5XC/BqQm2hZFQK+xAC/ywOcFmTObiY7oQw5z8XP1ZX1llO2aXNYvnt0o4fR ZFvRCL2M9WI7cIvAifrqiwwOF+2UstbARzhPUZqM= X-Received: by 2002:a05:6214:122e:: with SMTP id p14mr2957515qvv.168.1589947285335; Tue, 19 May 2020 21:01:25 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwerNaqIF02klLFGg4KEMpXaH3drXmA8iv3n4EPqkR8ABCDjT2CKXoF1Oc625FcS254SoCTMA== X-Received: by 2002:a05:6214:122e:: with SMTP id p14mr2957487qvv.168.1589947284999; Tue, 19 May 2020 21:01:24 -0700 (PDT) Received: from turing-police ([2601:5c0:c001:c9e1::359]) by smtp.gmail.com with ESMTPSA id c25sm1252125qkm.119.2020.05.19.21.01.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 May 2020 21:01:22 -0700 (PDT) From: "Valdis Kl=?utf-8?Q?=c4=93?=tnieks" X-Google-Original-From: "Valdis Kl=?utf-8?Q?=c4=93?=tnieks" X-Mailer: exmh version 2.9.0 11/07/2018 with nmh-1.7+dev To: Pintu Agarwal Subject: Re: Estimating total memory usage in any Linux system In-Reply-To: References: Mime-Version: 1.0 Date: Wed, 20 May 2020 00:01:22 -0400 Message-ID: <21691.1589947282@turing-police> Cc: linux-mm , Kernelnewbies X-BeenThere: kernelnewbies@kernelnewbies.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Learn about the Linux kernel List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1715765137610519559==" Errors-To: kernelnewbies-bounces@kernelnewbies.org --===============1715765137610519559== Content-Type: multipart/signed; boundary="==_Exmh_1589947281_6829P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit --==_Exmh_1589947281_6829P Content-Type: text/plain; charset=us-ascii On Tue, 19 May 2020 22:33:15 +0530, Pintu Agarwal said: > > Below are some data taken from a small embedded arm32 device with 512MB RAM: > > > > Sorry, I forgot to mention the kernel version. Here it is 3.18 Kernel That's a kernel from 2014. You don't seriously expect us to remember how all those counters worked back then, do you? That's a very real issue, not sarcasm: [/usr/src/linux-next] git diff --shortstat v3.18..next-20200518 76288 files changed, 15101441 insertions(+), 5417984 deletions(-) You're asking about what the numbers meant 15 million lines of code ago. --==_Exmh_1589947281_6829P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Comment: Exmh version 2.9.0 11/07/2018 iQIVAwUBXsSrkQdmEQWDXROgAQJcLg//TpSK6Ya3FMeIqrE0wS7eNESqoSMVo2U/ klVd85xSmnIIixJzdnWYkLN69su8OeJX/wkqcIvSFUSC9r7pSOmXNVSMg/02iQtc AqSPmpPWl/T4wmCtDYzkAcK3zrA+NfcFJ7bpb/kqduAVX+0pxNrgromB+gadafDC 7DjRXyWXXgHhH2+6sfFHuGe0KlXiq9gpPMpM7e32h+YEw1GNz6IerVbOo4QPPF8I u/mApIE0vIPRlvuHAJqFsSXEGmXa4hu9xQyLn6wNS8fgULb0mP2sp+C1vOjgfL6c UmyoxRlRwccV2jkz3H+vI6i6Sp/1OaTTqhvM/o9YjiCAtskhFuKSbz98flOPLkNR ZMHtXFb/LYJTeV6SUOmA8OJlihtK42t4znlPtV7jwUtJuvrKvinweQU7q2SQ7JM5 GnoCraarpShZINaoJ28fCKLuEkG2Q+LLjUXwUYM1SR7hEjxDZ0paG9STnZmucMj6 XbNDepcKkxZjsYovxEeYK1OCYqfFd/m89RG7Er4WM4T7BRP5tqc304qWs5zcUgiw EF7tcjWpRwd0bkZ68fCy/UnTAP7C39I/s0vL1LpQ6jprpRIyqIlp6fMj5SDxWxmA +fZlg7ooPS7NDnUTGSkVKN1wsBHVOoLeEgILv7w7PHJMaQxVeqrtaliTLwLyzMWD sgQ14KSAOPU= =tuMM -----END PGP SIGNATURE----- --==_Exmh_1589947281_6829P-- --===============1715765137610519559== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Kernelnewbies mailing list Kernelnewbies@kernelnewbies.org https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies --===============1715765137610519559==--