From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: Does Emacs return memory to the system on Mac OS X or *BSD? Date: Thu, 11 May 2017 11:39:27 -0400 Message-ID: References: <831srwbqz9.fsf@gnu.org> <83k25o9l11.fsf@gnu.org> <83inl7a03w.fsf@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1494518124 1219 195.159.176.226 (11 May 2017 15:55:24 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Thu, 11 May 2017 15:55:24 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.50 (gnu/linux) Cc: theophilusx@gmail.com, georgie@southernohio.net, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu May 11 17:55:18 2017 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1d8qQu-00007U-Do for ged-emacs-devel@m.gmane.org; Thu, 11 May 2017 17:55:16 +0200 Original-Received: from localhost ([::1]:49039 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d8qR0-0000HL-4t for ged-emacs-devel@m.gmane.org; Thu, 11 May 2017 11:55:22 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:37141) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d8qBy-0004Ry-1S for emacs-devel@gnu.org; Thu, 11 May 2017 11:39:50 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1d8qBx-0004tI-3r for emacs-devel@gnu.org; Thu, 11 May 2017 11:39:50 -0400 Original-Received: from ironport2-out.teksavvy.com ([206.248.154.181]:31949) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1d8qBt-0004mp-3b; Thu, 11 May 2017 11:39:45 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A0AeBQBohRRZ/3Z8oWxcGgEBAQECAQEBAQgBAQEBg1WFCYVahX+RFAGXVxyGAgQCAoULRBQBAgEBAQEBAQFrKIUWBlYjEAs0EhQYDSSKNbNRinUBAQgCJotYilUBBJ4KlQeJBoZ5kn+BRDYhgQovIAguh1ckiRIBAQE X-IPAS-Result: A0AeBQBohRRZ/3Z8oWxcGgEBAQECAQEBAQgBAQEBg1WFCYVahX+RFAGXVxyGAgQCAoULRBQBAgEBAQEBAQFrKIUWBlYjEAs0EhQYDSSKNbNRinUBAQgCJotYilUBBJ4KlQeJBoZ5kn+BRDYhgQovIAguh1ckiRIBAQE X-IronPort-AV: E=Sophos;i="5.38,324,1491278400"; d="scan'208";a="312580246" Original-Received: from 108-161-124-118.dsl.teksavvy.com (HELO milanesa.home) ([108.161.124.118]) by smtp.teksavvy.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 11 May 2017 11:39:27 -0400 Original-Received: by milanesa.home (Postfix, from userid 20848) id 56D6D660D4; Thu, 11 May 2017 11:39:27 -0400 (EDT) In-Reply-To: <83inl7a03w.fsf@gnu.org> (Eli Zaretskii's message of "Thu, 11 May 2017 18:23:31 +0300") X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 206.248.154.181 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 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" Xref: news.gmane.org gmane.emacs.devel:214795 Archived-At: >> >> IOW the only difference is in the fact that it requires more swap space, >> >> which can occasionally be noticeable, e.g. when you don't have swap >> >> space at all. >> > No, it also means that part of the VM address space is in use and >> > cannot be used by other apps. >> What do you mean by "VM address space"? > That pages mapped into some process's address space diminish the total > amount of VM which the system can allocate, even if those pages are > swapped out of physical memory. I think we're in violent agreement here. Stefan