From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: =?UTF-8?Q?Micha=c5=82_Kondraciuk?= Newsgroups: gmane.emacs.help Subject: Re: Question about memory usage Date: Tue, 3 Apr 2018 21:16:41 +0200 Message-ID: References: <83sh8c6byb.fsf@gnu.org> <690641bc-fc49-922a-26bd-6f92322d0cc0@zoho.com> <83po3g40c3.fsf@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit X-Trace: blaine.gmane.org 1522785680 28606 195.159.176.226 (3 Apr 2018 20:01:20 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 3 Apr 2018 20:01:20 +0000 (UTC) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 To: Eli Zaretskii , help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Tue Apr 03 22:01:16 2018 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1f3S7F-0007Em-9f for geh-help-gnu-emacs@m.gmane.org; Tue, 03 Apr 2018 22:01:13 +0200 Original-Received: from localhost ([::1]:60697 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f3S9I-0000dR-VT for geh-help-gnu-emacs@m.gmane.org; Tue, 03 Apr 2018 16:03:21 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:46330) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f3S8V-0000bt-R3 for help-gnu-emacs@gnu.org; Tue, 03 Apr 2018 16:02:32 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1f3S8R-0008Cd-NZ for help-gnu-emacs@gnu.org; Tue, 03 Apr 2018 16:02:31 -0400 Original-Received: from sender-pp-092.zoho.com ([135.84.80.237]:25476) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1f3S8R-0008CM-HH for help-gnu-emacs@gnu.org; Tue, 03 Apr 2018 16:02:27 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=zapps768; d=zoho.com; h=subject:to:references:from:message-id:date:user-agent:mime-version:in-reply-to:content-type; b=CcDMxyPOuG4glbK/NojOrOUOYYfQa4BPMCmWglvOJNrir8HlHyokM1uVFDcWn3PFXfFw7CGtRkTl bbhbinlSmi42zYfmfJNmn9i975S+Hwdg1SiB8b9lx/3AGBHxHejC Original-Received: from [192.168.0.87] (84-10-171-192.static.chello.pl [84.10.171.192]) by mx.zohomail.com with SMTPS id 1522783003627746.2274289702084; Tue, 3 Apr 2018 12:16:43 -0700 (PDT) In-Reply-To: <83po3g40c3.fsf@gnu.org> Content-Language: en-US X-ZohoMailClient: External X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 135.84.80.237 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.org gmane.emacs.help:116327 Archived-At: On 04/03/2018 08:22 PM, Eli Zaretskii wrote: >> From: Michał Kondraciuk >> Cc: help-gnu-emacs@gnu.org >> Date: Tue, 3 Apr 2018 19:57:34 +0200 >> >>> To answer your question: yes, I think this is expected, given that you >>> set buffer-undo-list to nil (what is the purpose of that, btw?). >> >> No purpose, but some external packages display information in a way >> similar to this sexp, where undo information is also recorded (needlessly): > > To disable undo, you should bind buffer-undo-list to t, not to nil. > And with-temp-buffer already does that, because temporary buffers have > their undo disabled by default. I know that, I meant it's common to see code like this in some packages, especially when the buffer is actually displayed. > Did you try not setting buffer-undo-list at all? What did you see > then? Emacs behaves as expected, i.e. memory usage is ~20MB all the time.