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: [PATCH] Force Glibc to free the memory freed Date: Tue, 26 Jan 2021 10:30:07 -0500 Message-ID: References: <83k0rz21dw.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="2765"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: carlos@redhat.com, fweimer@redhat.com, 45200@debbugs.gnu.org, dj@redhat.com, Konstantin Kharlamov To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Jan 26 16:31:31 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 1l4QJX-0000eM-Mf for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 26 Jan 2021 16:31:31 +0100 Original-Received: from localhost ([::1]:40572 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l4QJW-0000o7-Fo for geb-bug-gnu-emacs@m.gmane-mx.org; Tue, 26 Jan 2021 10:31:30 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:34680) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l4QJ4-0000n0-GC for bug-gnu-emacs@gnu.org; Tue, 26 Jan 2021 10:31:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:59123) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1l4QJ4-00059G-8a for bug-gnu-emacs@gnu.org; Tue, 26 Jan 2021 10:31:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1l4QJ4-00015X-6T for bug-gnu-emacs@gnu.org; Tue, 26 Jan 2021 10:31:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 26 Jan 2021 15:31:02 +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=B45200.16116750184127 (code B ref 45200); Tue, 26 Jan 2021 15:31:02 +0000 Original-Received: (at 45200) by debbugs.gnu.org; 26 Jan 2021 15:30:18 +0000 Original-Received: from localhost ([127.0.0.1]:42435 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1l4QIM-00014V-Iy for submit@debbugs.gnu.org; Tue, 26 Jan 2021 10:30:18 -0500 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:34654) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1l4QIK-00014F-Aj for 45200@debbugs.gnu.org; Tue, 26 Jan 2021 10:30:16 -0500 Original-Received: from pmg3.iro.umontreal.ca (localhost [127.0.0.1]) by pmg3.iro.umontreal.ca (Proxmox) with ESMTP id EE5FD44051C; Tue, 26 Jan 2021 10:30:10 -0500 (EST) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg3.iro.umontreal.ca (Proxmox) with ESMTP id B37FF4404F2; Tue, 26 Jan 2021 10:30:09 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1611675009; bh=RkCy4eFPMJcPjd1BsQHNknBf+28LknmqecdxtG3fqC8=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=fN4RJg4S10tI8V3e/iV0TDMaSml/TXJcZLwwYsHEcAbEl/Bh6kbsOu3t/mNYSChyI TNw58MSWp79wDO7q0Hu9SUNgaRo4Qo/OIWIl+5bohgZxvjwcQdEfDXBtIBQhlLz3FZ /u02o6LtxFVfskGzaIG+qg+BTAysxpt4xVahdGdlcIc6DSyPGaR9W8HwyQierEKHCC JyhASs6vzTF5abrAqKCStx0qDrIQ+SMWKCOiqGoQ5zux4GXFH4290AA6f1SVnezKSr Y8/w+57ToFWFKllsVrmt9dvyBl1yDRl7QNXgcOTlWPmSAyLKKklaiB/u1SdWJYN6Hu B7KpRpGWDsATQ== Original-Received: from alfajor (69-196-141-46.dsl.teksavvy.com [69.196.141.46]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id 6ED7812005E; Tue, 26 Jan 2021 10:30:09 -0500 (EST) In-Reply-To: <83k0rz21dw.fsf@gnu.org> (Eli Zaretskii's message of "Tue, 26 Jan 2021 16:55:55 +0200") 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:198625 Archived-At: > That'd be easy to implement, but I'm not yet sure it's the best > alternative. In particular, I'd like to have some idea regarding how > much time such a call could take. In some usage patterns Emacs calls > GC very frequently, which slows down command execution and makes Emacs > less responsive. The most important case where this happens is during phases of creation of large new structures (e.g. while loading a large package like Org), where a lot of memory is allocated without generating much garbage, so every time we run the GC that time is mostly wasted (since we don't recover any garbage) and calling malloc_trim would also be useless in those cases. Stefan