From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Andreas Schwab Newsgroups: gmane.emacs.bugs Subject: bug#45200: [PATCH] Force Glibc to free the memory freed Date: Wed, 03 Feb 2021 16:12:23 +0100 Message-ID: <87h7mtxk14.fsf@igel.home> References: <83k0rz21dw.fsf@gnu.org> <331805c74fc5d3d412dd2065030b11fa3343710d.camel@yandex.ru> <8a91fc16f93298bca1281b43d6821ae3621376dc.camel@yandex.ru> <7ffacc5f-fc0e-a5f8-104d-2c0ae8e06953@gmx.at> <3f4f8b3034e9f52f48ec520f2732b1687bb24dbc.camel@yandex.ru> <83v9b943em.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="25503"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1.91 (gnu/linux) Cc: fweimer@redhat.com, dj@redhat.com, carlos@redhat.com, monnier@iro.umontreal.ca, Konstantin Kharlamov , 45200@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Feb 03 16:13:21 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 1l7JqK-0006Sa-Vy for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 03 Feb 2021 16:13:20 +0100 Original-Received: from localhost ([::1]:39576 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l7JqK-0001AG-12 for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 03 Feb 2021 10:13:20 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:36008) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l7Jq2-0001A5-Mp for bug-gnu-emacs@gnu.org; Wed, 03 Feb 2021 10:13:03 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:55277) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1l7Jq2-0006NI-Ft for bug-gnu-emacs@gnu.org; Wed, 03 Feb 2021 10:13:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1l7Jq2-0003F1-5M for bug-gnu-emacs@gnu.org; Wed, 03 Feb 2021 10:13:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Andreas Schwab Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 03 Feb 2021 15:13:02 +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=B45200.161236514812388 (code B ref 45200); Wed, 03 Feb 2021 15:13:02 +0000 Original-Received: (at 45200) by debbugs.gnu.org; 3 Feb 2021 15:12:28 +0000 Original-Received: from localhost ([127.0.0.1]:38590 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1l7JpU-0003Dk-Hc for submit@debbugs.gnu.org; Wed, 03 Feb 2021 10:12:28 -0500 Original-Received: from mail-out.m-online.net ([212.18.0.9]:35689) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1l7JpS-0003Db-M1 for 45200@debbugs.gnu.org; Wed, 03 Feb 2021 10:12:27 -0500 Original-Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4DW4t10K1Bz1qvqk; Wed, 3 Feb 2021 16:12:24 +0100 (CET) Original-Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 4DW4t05CKtz1t5kj; Wed, 3 Feb 2021 16:12:24 +0100 (CET) X-Virus-Scanned: amavisd-new at mnet-online.de Original-Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id TT49uWTmW9zr; Wed, 3 Feb 2021 16:12:23 +0100 (CET) X-Auth-Info: fbB67kY4y3ZEq7PClOgHU/AQIS8qmj47xiev0tVvLQeXuJrVKULeI9EuTDrHNav4 Original-Received: from igel.home (ppp-46-244-188-241.dynamic.mnet-online.de [46.244.188.241]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Wed, 3 Feb 2021 16:12:23 +0100 (CET) Original-Received: by igel.home (Postfix, from userid 1000) id 5F54C2C3753; Wed, 3 Feb 2021 16:12:23 +0100 (CET) X-Yow: .. here I am in 53 B.C. and all I want is a dill pickle!! In-Reply-To: <83v9b943em.fsf@gnu.org> (Eli Zaretskii's message of "Wed, 03 Feb 2021 16:44:17 +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:199200 Archived-At: On Feb 03 2021, Eli Zaretskii wrote: > The purpose of freeing memory is to make it available for further > allocations by the program. You seem to interpret "freeing memory" to > mean that memory should be returned to the OS, but that's not > necessarily true, and isn't required to allow the freeing program be > able to allocate more memory in the future. Especially as asking the OS to (de)allocate memory is a more expensive operation. Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."