From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel,gmane.comp.lib.glibc.alpha Subject: Re: Removal of unexec support from glibc malloc Date: Tue, 19 Jan 2016 05:48:25 +0200 Message-ID: <83bn8icjqu.fsf@gnu.org> References: <569CDB81.6040600@redhat.com> <569D3BE0.6050103@cs.ucla.edu> <569D4207.4060209@cs.ucla.edu> <569D6AE6.1060008@redhat.com> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1453175311 16994 80.91.229.3 (19 Jan 2016 03:48:31 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 19 Jan 2016 03:48:31 +0000 (UTC) Cc: eggert@cs.ucla.edu, libc-alpha@sourceware.org, Emacs-devel@gnu.org To: Florian Weimer Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Jan 19 04:48:27 2016 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1aLNHO-0004j4-16 for ged-emacs-devel@m.gmane.org; Tue, 19 Jan 2016 04:48:26 +0100 Original-Received: from localhost ([::1]:34806 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aLNHN-0000rg-FX for ged-emacs-devel@m.gmane.org; Mon, 18 Jan 2016 22:48:25 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:34154) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aLNHK-0000rY-31 for Emacs-devel@gnu.org; Mon, 18 Jan 2016 22:48:22 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aLNHG-0002Ix-UC for Emacs-devel@gnu.org; Mon, 18 Jan 2016 22:48:22 -0500 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:45372) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aLNHG-0002Is-RP; Mon, 18 Jan 2016 22:48:18 -0500 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:1798 helo=HOME-C4E4A596F7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from ) id 1aLNHF-0003VK-Tk; Mon, 18 Jan 2016 22:48:18 -0500 In-reply-to: <569D6AE6.1060008@redhat.com> (message from Florian Weimer on Mon, 18 Jan 2016 23:44:54 +0100) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:198334 gmane.comp.lib.glibc.alpha:58684 Archived-At: > From: Florian Weimer > Date: Mon, 18 Jan 2016 23:44:54 +0100 > Cc: GNU C Library , > Emacs Development > > This is less of a problem if Emacs never frees a pointer after dump that > it has allocated before dump. But I think this can happen (otherwise, > all this would be quite easy to address). Yes, it can and does happen, although not much.