From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Wolfgang Jenkner Newsgroups: gmane.emacs.bugs Subject: bug#22086: 25.1.50; [PATCH] Integrate the musl hybrid malloc patch for elf systems Date: Mon, 21 Dec 2015 18:28:19 +0100 Message-ID: <85si2vd83w.fsf@iznogoud.viz> References: <85poynxvgy.fsf@iznogoud.viz> <567120C0.6080803@cs.ucla.edu> <85h9jhdxl2.fsf@iznogoud.viz> <56772CB2.8060004@cs.ucla.edu> <851tafesuw.fsf@iznogoud.viz> <5678318C.5030503@cs.ucla.edu> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1450718965 18090 80.91.229.3 (21 Dec 2015 17:29:25 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 21 Dec 2015 17:29:25 +0000 (UTC) Cc: Rich Felker , 22086@debbugs.gnu.org To: Paul Eggert Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Dec 21 18:29:14 2015 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1aB4Gl-0006Vk-OF for geb-bug-gnu-emacs@m.gmane.org; Mon, 21 Dec 2015 18:29:11 +0100 Original-Received: from localhost ([::1]:46478 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aB4Gk-0004k4-Tk for geb-bug-gnu-emacs@m.gmane.org; Mon, 21 Dec 2015 12:29:10 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:57130) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aB4Gf-0004h8-Mb for bug-gnu-emacs@gnu.org; Mon, 21 Dec 2015 12:29:06 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aB4Gc-0003NA-CZ for bug-gnu-emacs@gnu.org; Mon, 21 Dec 2015 12:29:05 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:51458) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aB4Gc-0003N0-8x for bug-gnu-emacs@gnu.org; Mon, 21 Dec 2015 12:29:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84) (envelope-from ) id 1aB4Gb-00046G-TU for bug-gnu-emacs@gnu.org; Mon, 21 Dec 2015 12:29:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Wolfgang Jenkner Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 21 Dec 2015 17:29:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 22086 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: patch Original-Received: via spool by 22086-submit@debbugs.gnu.org id=B22086.145071891015720 (code B ref 22086); Mon, 21 Dec 2015 17:29:01 +0000 Original-Received: (at 22086) by debbugs.gnu.org; 21 Dec 2015 17:28:30 +0000 Original-Received: from localhost ([127.0.0.1]:59060 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aB4G6-00045U-5O for submit@debbugs.gnu.org; Mon, 21 Dec 2015 12:28:30 -0500 Original-Received: from b2bfep14.mx.upcmail.net ([62.179.121.59]:58474) by debbugs.gnu.org with esmtp (Exim 4.84) (envelope-from ) id 1aB4G3-00045E-KT for 22086@debbugs.gnu.org; Mon, 21 Dec 2015 12:28:28 -0500 Original-Received: from edge11.upcmail.net ([192.168.13.81]) by b2bfep14.mx.upcmail.net (InterMail vM.8.01.05.18 201-2260-151-151-20140610) with ESMTP id <20151221172821.REWK6878.b2bfep14-int.chello.at@edge11.upcmail.net> for <22086@debbugs.gnu.org>; Mon, 21 Dec 2015 18:28:21 +0100 Original-Received: from iznogoud.viz ([85.127.9.83]) by edge11.upcmail.net with edge id wHUL1r00B1nVgvp0BHULga; Mon, 21 Dec 2015 18:28:21 +0100 X-SourceIP: 85.127.9.83 Original-Received: from wolfgang by iznogoud.viz with local (Exim 4.86 (FreeBSD)) (envelope-from ) id 1aB4Fv-0000Nr-V7; Mon, 21 Dec 2015 18:28:19 +0100 In-Reply-To: <5678318C.5030503@cs.ucla.edu> (Paul Eggert's message of "Mon, 21 Dec 2015 09:06:20 -0800") User-Agent: Gnus/5.130014 (Ma Gnus v0.14) Emacs/25.1.50 (berkeley-unix) 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: 208.118.235.43 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-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:110249 Archived-At: On Mon, Dec 21 2015, Paul Eggert wrote: > Wolfgang Jenkner wrote: >>> The simpler approach is to remove gmalloc.c, and to use the system >>> >memory allocator, i.e., to behave as if SYSTEM_MALLOC is defined on >>> >all platforms. >> The system malloc can't manage the "static heap" array implemented in >> sheap.c (because usually there's no malloc_hook), so, presumably this >> would be ditched as well. So... I wonder what you are proposing here. > > If we don't need the static heap, then let's ditch it. Is it needed for what you have in mind? > If we do need > it, then let's have our own allocator (named emalloc, say), which uses > the static heap and/or the system malloc as needed. Well, that's exactly what hybrid malloc does. > Regardless, we > shouldn't be trying to redefine 'malloc', nor should we be supplying > our own allocator merely because that was a good idea back in 1989. Isn't this a minor problem since it concerns only those systems which will still need the malloc from src/gmalloc.c after dumping (non-ELF unix-like systems)?