From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.bugs Subject: bug#45200: Memory leaks: (garbage-collect) fails to reclaim memory Date: Sun, 24 Jan 2021 16:41:04 -0500 Message-ID: References: <2a4f3f31f30db28387055821a8edf44fd1d66ea5.camel@yandex.ru> <5c5696670dea31a4647c901be1f87ddb1474f820.camel@yandex.ru> <83tur62iyl.fsf@gnu.org> <6b661d5f325efb3f49e83e2de093b1e271751bc0.camel@yandex.ru> <823c72fe5b0d4bfce3c758af4c3333c199d1e3df.camel@yandex.ru> 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="38167"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: 45200@debbugs.gnu.org To: Konstantin Kharlamov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sun Jan 24 22:47:15 2021 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1l3nE3-0009pI-5H for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 24 Jan 2021 22:47:15 +0100 Original-Received: from localhost ([::1]:39112 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l3nE2-0002yq-7K for geb-bug-gnu-emacs@m.gmane-mx.org; Sun, 24 Jan 2021 16:47:14 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:51820) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l3n90-0000bM-Ix for bug-gnu-emacs@gnu.org; Sun, 24 Jan 2021 16:42:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:54121) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1l3n90-0004ls-9k for bug-gnu-emacs@gnu.org; Sun, 24 Jan 2021 16:42:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1l3n90-00065s-6N for bug-gnu-emacs@gnu.org; Sun, 24 Jan 2021 16:42:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 24 Jan 2021 21:42:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 45200 X-GNU-PR-Package: emacs Original-Received: via spool by 45200-submit@debbugs.gnu.org id=B45200.161152447923362 (code B ref 45200); Sun, 24 Jan 2021 21:42:02 +0000 Original-Received: (at 45200) by debbugs.gnu.org; 24 Jan 2021 21:41:19 +0000 Original-Received: from localhost ([127.0.0.1]:37434 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1l3n8J-00064k-GZ for submit@debbugs.gnu.org; Sun, 24 Jan 2021 16:41:19 -0500 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:20566) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1l3n8I-00064W-GG for 45200@debbugs.gnu.org; Sun, 24 Jan 2021 16:41:18 -0500 Original-Received: from pmg1.iro.umontreal.ca (localhost.localdomain [127.0.0.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id 2E1F7101136; Sun, 24 Jan 2021 16:41:13 -0500 (EST) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id 79C0D10022E; Sun, 24 Jan 2021 16:41:05 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1611524465; bh=Jop/6kD6RyxWduTAk6dUXwT3KlnMtUp0Zl4rU36QqTA=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=Txz/b+WXnDs5bcR139OpTPLsFjvGHv1uHfDqrSnH3QAvSU5rqVdzvBm8A650e1H+l rRsjdy3IwSGuwmCMamPEoGFRQN/7f1K1kQaJCtC6JGpAJFMFIL26N2tQpqkU6WP1XH DWoRHfLueeSOBfg589ZhnTgQxlDw/YeDEVHDsb2344tKYqcTqvMrjoZZveKXftpLJ+ c3WMS744wkGZrw8pM4OZb1oMP5eXn+uyiFZ6qlA42BrslnBd8Yc+etEiurAIXZgPsx WgRhwISc0nZgRbBhb+4U9opiJsqB9lME75KZNyxzXiFfwv7g8XXLmzsy1zHblNlkzg /kG5s0T2DPgwQ== Original-Received: from alfajor (69-196-141-46.dsl.teksavvy.com [69.196.141.46]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id 4367E120155; Sun, 24 Jan 2021 16:41:05 -0500 (EST) In-Reply-To: <823c72fe5b0d4bfce3c758af4c3333c199d1e3df.camel@yandex.ru> (Konstantin Kharlamov's message of "Mon, 25 Jan 2021 00:26:45 +0300") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:198533 Archived-At: > Why unrealistic? To me the situation is pretty clear: I needed 200M, but = I don't > need them anymore, so I want them released. What's unrealistic about that? What can I say: it's not realistic and I already gave you two technical reasons why that is. > If that was your point about that "maybe the 200M of memory will be > needed again", then as I said, yeah, maybe, maybe not =E2=80=94 unless Gl= ibc > has a prophet module built-in, it can't know, so it should not behave > as if it does. Maybe so. But to the extent that you consciously decided it's OK for Emacs to use 200MB at time-step A, then you basically lost the "moral authority" to say that it's not OK for Emacs to still uses up 200MB at time-step B. If you can show a similar excessive use of memory without doing something like (setq gc-cons-threshold most-positive-fixnum), the question becomes quite different. Stefan