From owner-freebsd-hackers@freebsd.org Mon Feb 6 10:22:01 2017 Return-Path: Delivered-To: freebsd-hackers@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 500B1CD32CD for ; Mon, 6 Feb 2017 10:22:01 +0000 (UTC) (envelope-from slw@zxy.spb.ru) Received: from zxy.spb.ru (zxy.spb.ru [195.70.199.98]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 15B489BA for ; Mon, 6 Feb 2017 10:22:01 +0000 (UTC) (envelope-from slw@zxy.spb.ru) Received: from slw by zxy.spb.ru with local (Exim 4.86 (FreeBSD)) (envelope-from ) id 1cagQp-000AHp-4Q for freebsd-hackers@freebsd.org; Mon, 06 Feb 2017 13:21:59 +0300 Date: Mon, 6 Feb 2017 13:21:59 +0300 From: Slawa Olhovchenkov To: freebsd-hackers@freebsd.org Subject: Inactive memory Message-ID: <20170206102159.GD5366@zxy.spb.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.24 (2015-08-30) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: slw@zxy.spb.ru X-SA-Exim-Scanned: No (on zxy.spb.ru); SAEximRunCond expanded to false X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 06 Feb 2017 10:22:01 -0000 What is 'Inactive' memory? Can I let is definitly availably for allocation (after some time)? Under some load I am got about 30GB of Inactive memory and I am prefer migrate this memory to ARC cache. Can I have assurance about freeing this memory under pressure?