From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: Emacs bzr memory footprint Date: Thu, 13 Oct 2011 15:38:29 +0200 Message-ID: <8362jt2eqy.fsf@gnu.org> References: <83fwix2osa.fsf@gnu.org> <83aa952mq3.fsf@gnu.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE X-Trace: dough.gmane.org 1318513197 17162 80.91.229.12 (13 Oct 2011 13:39:57 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Thu, 13 Oct 2011 13:39:57 +0000 (UTC) Cc: schwab@linux-m68k.org, emacs-devel@gnu.org To: Carsten Mattner Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Oct 13 15:39:51 2011 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([140.186.70.17]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1RELVm-0005cI-0T for ged-emacs-devel@m.gmane.org; Thu, 13 Oct 2011 15:39:50 +0200 Original-Received: from localhost ([::1]:43879 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RELVl-0002IV-Gv for ged-emacs-devel@m.gmane.org; Thu, 13 Oct 2011 09:39:49 -0400 Original-Received: from eggs.gnu.org ([140.186.70.92]:58762) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RELVd-00028E-Vq for emacs-devel@gnu.org; Thu, 13 Oct 2011 09:39:47 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1RELVY-0006wd-24 for emacs-devel@gnu.org; Thu, 13 Oct 2011 09:39:41 -0400 Original-Received: from mtaout22.012.net.il ([80.179.55.172]:45092) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RELVX-0006wQ-R7 for emacs-devel@gnu.org; Thu, 13 Oct 2011 09:39:36 -0400 Original-Received: from conversion-daemon.a-mtaout22.012.net.il by a-mtaout22.012.net.il (HyperSendmail v2007.08) id <0LT000G00B0ISJ00@a-mtaout22.012.net.il> for emacs-devel@gnu.org; Thu, 13 Oct 2011 15:38:31 +0200 (IST) Original-Received: from HOME-C4E4A596F7 ([84.229.17.178]) by a-mtaout22.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0LT000GHVB829T90@a-mtaout22.012.net.il>; Thu, 13 Oct 2011 15:38:29 +0200 (IST) In-reply-to: X-012-Sender: halo1@inter.net.il X-detected-operating-system: by eggs.gnu.org: Solaris 10 (beta) X-Received-From: 80.179.55.172 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:145121 Archived-At: > Date: Thu, 13 Oct 2011 15:08:28 +0200 > From: Carsten Mattner > Cc: Andreas Schwab , emacs-devel@gnu.org >=20 > On Thu, Oct 13, 2011 at 12:46 PM, Eli Zaretskii wrot= e: > >> From: Andreas Schwab > >> Cc: Carsten Mattner , =A0emacs-de= vel@gnu.org > >> Date: Thu, 13 Oct 2011 12:33:15 +0200 > >> > >> Eli Zaretskii writes: > >> > >> > I think mmap is always used if available and workable. > >> > >> No. > >> > >> use_mmap_for_buffers=3Dno > >> case "$opsys" in > >> =A0 cygwin|freebsd|irix6-5) use_mmap_for_buffers=3Dyes ;; > >> esac > > > > Thanks, I confused the OP's question with whether malloc uses mma= p. >=20 > As I remember that configure result from Linux and glibc uses > mmap, from what I remember, being disabled makes sense. Configuring on GNU/Linux shows that mmap is not used directly for buffers, which is consistent with the above.