From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Po Lu Newsgroups: gmane.emacs.devel Subject: Re: master 5c532fe303: Recommend that the user turn off memory overcommit Date: Fri, 08 Apr 2022 21:31:20 +0800 Message-ID: <874k33snvb.fsf@yahoo.com> References: <164941780605.21656.13343783431945268284@vcs2.savannah.gnu.org> <20220408113647.815ACC051D6@vcs2.savannah.gnu.org> <87ilrjemk7.fsf@telefonica.net> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="9003"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.91 (gnu/linux) Cc: emacs-devel@gnu.org To: =?utf-8?Q?=C3=93scar?= Fuentes Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Fri Apr 08 15:32:33 2022 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ncoj2-00028N-Np for ged-emacs-devel@m.gmane-mx.org; Fri, 08 Apr 2022 15:32:32 +0200 Original-Received: from localhost ([::1]:39908 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ncoj1-00021P-I1 for ged-emacs-devel@m.gmane-mx.org; Fri, 08 Apr 2022 09:32:31 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:59404) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ncoi9-0001FE-OR for emacs-devel@gnu.org; Fri, 08 Apr 2022 09:31:37 -0400 Original-Received: from sonic313-56.consmr.mail.ne1.yahoo.com ([66.163.185.31]:42036) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1ncoi5-0003Gi-PX for emacs-devel@gnu.org; Fri, 08 Apr 2022 09:31:35 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1649424689; bh=7BrUrjsSBoWbOTVy8cOg/sur8ewDqAYOf6sYA/JVV3g=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From:Subject:Reply-To; b=R9qj2o2nzhO1BQXd6B8cHFsg0PLAFr1vWuAZIxFGW9yCbKBGxBuV+3USCuHMWKfjEwndZLlWWaS87jEgdvGJy8vV89RwNY7HBLsK0c5+5iM4svLhAfa+/rSMelKdwc09Dt/zJKPcfhhTqjttYf+DXXt7PyAFHMgvQ/NQqbWp9hRJBQ61TNZbjoTM/4aL3VNFsDaIFdztz1Ps3yWgnCLTZWeS79mI1oyW1W7HM9oNEpxwkNT1zzoqxTfJy07yuDONbGWm1PaDgG6wZdR9VY76oj4aKPcHb47mh6vBMcZQlWE7yxiqOApIQtRdihrSdEXSXLCmv4I232yrRtDKmfXh0g== X-SONIC-DKIM-SIGN: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1649424689; bh=QOpYDDnsbcJXDC03TDAO7BuhWrgMo1vbSdnxKngpk5D=; h=X-Sonic-MF:From:To:Subject:Date:From:Subject; b=VZOXrWsPBg5MylBA0KX/wvng4d4XFaK6fHbRnYpg7FAEqtjx7C8JnaRYYUYhTPPg4j8Rpecbjy0VBYLam7/eB8bzzCzFMgvwBuqwRFJJDDXriDeyKENkoisP/ATX9YWfRSt6vLYXKUmm2XjTEwJ7TQZv7cAXyI3X9mdZ1eBRCNmz3KfMkbJOkNeohWEtjttoZyWqThp+zrbZA1WC4+3xCyCAQNXFdpTkS0fOVqS0z+acyjwVWQ4NwVLmvluttKqVBoNXYlQpSIvl33zzviVUMeJmS27T07/x8c+Le/nApmQ7ITYDYHb0jKvCo2nM+DABCKCWFAGIWqn6LlGzG1lN6w== X-YMail-OSG: i4PVa1oVM1nqzkbLEUNhDHPPhmd1nCI0jUbmWFOIgH68jDZ965Q1pOQpMjW61P8 KkAg0K7WniC0o6f4cJlrbLfiIuLNAOcM3a7gogqMr1QkQYWmP_N2F1DmpE6IR3mFuY6UNElK92tq lvxm_8AVu2XpV8HSUY5u1N1X.vo6juuVEJ4LbEjR.YhkS9su1_rqB5iKSYf0ltWeyMrClJfwfa0b plfalwd6Xi0st2fNNNfDcRyQeNBCSYhg0OzW50T7wCRzkOz75pa7ZUXz4QSh1gZgbqOYpS0T3ww2 lASUfiLa2y1d8EQAYBHyDgKhZ7MMintd9ByJ1iwh7fPbGPG6Jbf6afJm6mFnzyIBh5TLhMFZ_wmm 07DTGndHdVDTNKRkGwEM0juSGa_0KxxhuFuKumEZe5ddXqnXebihpVfKbIAImnvjnvuNj.EKLMx3 5cak_4zk3D.jYQUi8O_7ezG1.7aBMDsBQ7kdPz7ncFibyo9COrYit3IFMJ5aVh0lpbTyN7WFaO6c SkMaaUGYGf_HHgpEb3dHD68dhmw0pVLo_PmtuEPXqk525UZaL0Uhds0YP8uM8HbieABPyVxeO6.5 sKnDkIh.RRIlfvlaYFFonGlSPpAIm_z9HrxSj1iEzHhc6cwd1WVDXxxcLXmW45i1aD.x.20U8dWp _2fm4ueYK4qSgetYrzurth4YUpmvrAP0UdWrhXU7FHUzqcY8NxIpdT68OXhptiE1C0yszkerknCw Cv2fAiuRMTQSSfcdZh_llfzC9hqM3quJN5AeZjNBdMjhYwy_NlUTMciUuk2..EGMKWFWFVwmPBh5 ZvzLT4k2Vj8ZiSLe_lEZJ9gIVCUqp36ew7VdER5GTD X-Sonic-MF: Original-Received: from sonic.gate.mail.ne1.yahoo.com by sonic313.consmr.mail.ne1.yahoo.com with HTTP; Fri, 8 Apr 2022 13:31:29 +0000 Original-Received: by hermes--canary-production-sg3-65d7bd97b5-5w6fp (VZM Hermes SMTP Server) with ESMTPA ID 002c7952724be353a7dd88bb13b89dbd; Fri, 08 Apr 2022 13:31:24 +0000 (UTC) In-Reply-To: <87ilrjemk7.fsf@telefonica.net> (=?utf-8?Q?=22=C3=93scar?= Fuentes"'s message of "Fri, 08 Apr 2022 15:23:20 +0200") X-Mailer: WebService/1.1.20048 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Received-SPF: pass client-ip=66.163.185.31; envelope-from=luangruo@yahoo.com; helo=sonic313-56.consmr.mail.ne1.yahoo.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:287958 Archived-At: =C3=93scar Fuentes writes: > Stefan Monnier writes: > >>> +@cindex memory trouble, GNU/Linux >>> + On GNU/Linux systems, the system does not normally report running >>> +out of memory to Emacs, and can instead randomly kill processes when >>> +they run out of memory. We recommend that you turn this behavior off, >>> +so that Emacs can respond correctly when it runs out of memory, by >>> +becoming the super user, editing the file @code{/etc/sysctl.conf} to >>> +contain the following lines, and then running the command @code{sysctl >>> +-p}: >> >> FWIW, I think this is none of Emacs's business. > > +1 > > Recommending to tweak kernel parameters is way over the top for dealing > with system-wide conditions on a way that supposedly is "correct" for > Emacs specifically. Why? We recommend doing just that in many places when a kernel parameter interferes with the normal behavior of Emacs, especially in etc/PROBLEMS, with exec-shield and ASLR.