From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#38345: 27.0.50; Permanent increase in memory consumption after opening images (or pdfs) Date: Mon, 25 Nov 2019 18:10:50 +0200 Message-ID: <83o8x0rl6d.fsf@gnu.org> References: <87sgme1ww7.fsf@yantar92-laptop.i-did-not-set--mail-host-address--so-tickle-me> Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="54115"; mail-complaints-to="usenet@blaine.gmane.org" Cc: 38345@debbugs.gnu.org To: Ihor Radchenko Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Nov 25 17:11:11 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1iZGxC-000DvR-7v for geb-bug-gnu-emacs@m.gmane.org; Mon, 25 Nov 2019 17:11:10 +0100 Original-Received: from localhost ([::1]:46038 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iZGxA-0002Ri-La for geb-bug-gnu-emacs@m.gmane.org; Mon, 25 Nov 2019 11:11:08 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:38170) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iZGx5-0002RY-Fg for bug-gnu-emacs@gnu.org; Mon, 25 Nov 2019 11:11:04 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iZGx4-00074a-Bg for bug-gnu-emacs@gnu.org; Mon, 25 Nov 2019 11:11:03 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:43619) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iZGx4-00074V-86 for bug-gnu-emacs@gnu.org; Mon, 25 Nov 2019 11:11:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1iZGx4-0002c1-0V for bug-gnu-emacs@gnu.org; Mon, 25 Nov 2019 11:11:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 25 Nov 2019 16:11:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 38345 X-GNU-PR-Package: emacs Original-Received: via spool by 38345-submit@debbugs.gnu.org id=B38345.157469825510029 (code B ref 38345); Mon, 25 Nov 2019 16:11:01 +0000 Original-Received: (at 38345) by debbugs.gnu.org; 25 Nov 2019 16:10:55 +0000 Original-Received: from localhost ([127.0.0.1]:49591 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iZGwx-0002bh-55 for submit@debbugs.gnu.org; Mon, 25 Nov 2019 11:10:55 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:57311) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iZGwv-0002bS-6u for 38345@debbugs.gnu.org; Mon, 25 Nov 2019 11:10:53 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:38559) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1iZGwq-0006ui-2X; Mon, 25 Nov 2019 11:10:48 -0500 Original-Received: from [176.228.60.248] (port=2115 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1iZGwp-0002S2-DJ; Mon, 25 Nov 2019 11:10:47 -0500 In-reply-to: <87sgme1ww7.fsf@yantar92-laptop.i-did-not-set--mail-host-address--so-tickle-me> (message from Ihor Radchenko on Sat, 23 Nov 2019 22:37:44 +0800) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 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.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:172370 Archived-At: > From: Ihor Radchenko > Date: Sat, 23 Nov 2019 22:37:44 +0800 > > If I open a large (>250) photos using the code below, the memory usage > increases permanently even after I close all the image buffers and wait > for some time. For some background on this, see https://unix.stackexchange.com/questions/53447/does-free-unmap-the-memory-of-a-process https://stackoverflow.com/questions/1421491/does-calling-free-or-delete-ever-release-memory-back-to-the-system I think what you see is just normal behavior of memory allocation in glibc.