From owner-freebsd-hackers@freebsd.org Wed Sep 30 07:13:59 2020 Return-Path: Delivered-To: freebsd-hackers@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id D72E63FE27E for ; Wed, 30 Sep 2020 07:13:59 +0000 (UTC) (envelope-from shamanthkrishna23@gmail.com) Received: from mail-wr1-x42d.google.com (mail-wr1-x42d.google.com [IPv6:2a00:1450:4864:20::42d]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4C1SD65S1Dz3ZHL for ; Wed, 30 Sep 2020 07:13:58 +0000 (UTC) (envelope-from shamanthkrishna23@gmail.com) Received: by mail-wr1-x42d.google.com with SMTP id z4so524870wrr.4 for ; Wed, 30 Sep 2020 00:13:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=Vv/R7FQD9RKvTGTiRizjM+seAxV3G8eeRcfHtHvt0pY=; b=GukKM4ARQCkM6gcCWkfQ2/WHHKo3BhfmdwmZU9EMOQuihrJpZC4k1J8w9+iUrgCkjk rSIEQ29FE8R6UXpnOP2Q5zthK9us6W9jDQZ4oyHVcqwWmGp6q2qYIkQygPjhiNoV07SQ nDarme4z3Qp9Ye2aK18uorplRJTwf+KKVw6I7+2ecTFsmlw/9EHtFqzNAdDVomfeD2L/ sJPuxlPJG1fCXQMLK59OvHkE7PSHLgO/cc4eSWnZTi+9DzqMqqkMQXg5UVW9nSB4Ki6S Pg28WS5vEq2mFk0cBib8vaLnY1vyLOtDSy8kTf9FSIDQGO8cvutjbKbQyOdbo1RfRu43 Av/g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=Vv/R7FQD9RKvTGTiRizjM+seAxV3G8eeRcfHtHvt0pY=; b=p1tHGiHGfHHXU39doNah3TUuzB/g3pAtyZWHbqniicC5NM38NmXxCpVv2UjZuqatMk Y1yrKQbkFYCZ5bMiGqXrAzEwvoLh5ArYZ50YI1MEoD1YpN4M2iWkxd8o9QLicDyQGlw0 BbNAoyRxxXx29U1mq2h9lvC9C353/Na0lOPaOe/9Q/EXMJ52Za7AqlTqnF1p59PkpkBF J1OKavAZwBvHQwdIveuxV/3ex6QZg1ZlHxzpY0/hGkwp5vrUVjnJA1EJ2rm0C4Oa9Zi1 H8Ray9YJaZjETcW1fTv2S0RKTruJoElhbHXYkLrdVi53ZFznxTUnEy7fqV7U303P9fFo z7eg== X-Gm-Message-State: AOAM530QvTUZg2X22xwhK3PbulasR0sC2yxx/ELKD0s/kW2S1tg9d4KO MFXvZ9V2n1sTu8Ot781vwFuV6ML2RzIDwhdQrobOochvpYT3ew== X-Google-Smtp-Source: ABdhPJxOQW0/bWVR8IMsh/kDx4kNHRGtdGOYtixSd+B1TeiatAqeo5ksV/zH1NXHKekHHX2EgStaFNG+mKPmZc4SSb0= X-Received: by 2002:adf:df81:: with SMTP id z1mr1498451wrl.9.1601450036641; Wed, 30 Sep 2020 00:13:56 -0700 (PDT) MIME-Version: 1.0 From: SHAMANTHA KRISHNA K G Date: Wed, 30 Sep 2020 12:43:45 +0530 Message-ID: Subject: vm objects . To: freebsd-hackers@freebsd.org X-Rspamd-Queue-Id: 4C1SD65S1Dz3ZHL X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=GukKM4AR; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of shamanthkrishna23@gmail.com designates 2a00:1450:4864:20::42d as permitted sender) smtp.mailfrom=shamanthkrishna23@gmail.com X-Spamd-Result: default: False [-2.43 / 15.00]; RCVD_TLS_ALL(0.00)[]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; NEURAL_HAM_MEDIUM(-1.02)[-1.022]; FROM_HAS_DN(0.00)[]; FREEMAIL_FROM(0.00)[gmail.com]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-hackers@freebsd.org]; TO_DN_NONE(0.00)[]; URI_COUNT_ODD(1.00)[1]; RCPT_COUNT_ONE(0.00)[1]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36]; DKIM_TRACE(0.00)[gmail.com:+]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::42d:from]; NEURAL_HAM_SHORT(-0.47)[-0.465]; NEURAL_HAM_LONG(-0.94)[-0.943]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; RCVD_COUNT_TWO(0.00)[2]; MAILMAN_DEST(0.00)[freebsd-hackers]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.33 X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 30 Sep 2020 07:13:59 -0000 Hello all, What exactly does each of these vm objects means with respect to* /proc//map* vnode default device swap physical And given that below are the fields corresponding to each entry in */proc//map* ,what exactly does *flags* mean, i,e *the field after reference count and before COW* *start ,end ,RES ,PRES ,offset ,protection_flags ,shadow_count > ,reference_count ,flags ,COW ,access ,type ,charged, charged uid* Here is the code to the /proc//map filler --> https://github.com/freebsd/freebsd/blob/9561dc969d120d90918ddce5b82604ca349d592c/sys/fs/procfs/procfs_map.c#L219 Thank you, -Shamantha.