From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:57446) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a9zNC-0006Da-8N for qemu-devel@nongnu.org; Fri, 18 Dec 2015 13:03:23 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1a9zN8-0002I4-11 for qemu-devel@nongnu.org; Fri, 18 Dec 2015 13:03:22 -0500 Received: from mail-wm0-x233.google.com ([2a00:1450:400c:c09::233]:37567) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1a9zN7-0002Hz-R9 for qemu-devel@nongnu.org; Fri, 18 Dec 2015 13:03:17 -0500 Received: by mail-wm0-x233.google.com with SMTP id p187so74984184wmp.0 for ; Fri, 18 Dec 2015 10:03:17 -0800 (PST) Sender: Paolo Bonzini References: <566EE582.2070408@virtuozzo.com> <566FF912.3000809@openvz.org> <567000B8.2070300@redhat.com> <56743443.5000907@openvz.org> From: Paolo Bonzini Message-ID: <56744A64.4060607@redhat.com> Date: Fri, 18 Dec 2015 19:03:16 +0100 MIME-Version: 1.0 In-Reply-To: <56743443.5000907@openvz.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] guest kernel in the host RAM List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Denis V. Lunev" Cc: Vladimir Sementsov-Ogievskiy , qemu-devel On 18/12/2015 17:28, Denis V. Lunev wrote: >> Linux patches itself a lot, which >> makes the memory savings minimal (if they exist at all). What is the >> decompression time for a kernel that is compressed with LZO? > > It seems that you are perfectly correct here! > > With large pages enabled (and preferred 2 Mb pages mode) > we will have exactly zero bonus. > > Thank you for saving a lot of time and efforts :))) I'm a lazy person, sometimes it helps. :) Paolo