From owner-svn-src-head@FreeBSD.ORG Wed Oct 31 19:30:35 2012 Return-Path: Delivered-To: svn-src-head@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 5AC31A05; Wed, 31 Oct 2012 19:30:35 +0000 (UTC) (envelope-from peter@rulingia.com) Received: from vps.rulingia.com (host-122-100-2-194.octopus.com.au [122.100.2.194]) by mx1.freebsd.org (Postfix) with ESMTP id ACE858FC14; Wed, 31 Oct 2012 19:30:34 +0000 (UTC) Received: from server.rulingia.com (c220-239-241-202.belrs5.nsw.optusnet.com.au [220.239.241.202]) by vps.rulingia.com (8.14.5/8.14.5) with ESMTP id q9VJUQKK036713 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Thu, 1 Nov 2012 06:30:27 +1100 (EST) (envelope-from peter@rulingia.com) X-Bogosity: Ham, spamicity=0.000000 Received: from server.rulingia.com (localhost.rulingia.com [127.0.0.1]) by server.rulingia.com (8.14.5/8.14.5) with ESMTP id q9VJUKVO022884 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 1 Nov 2012 06:30:20 +1100 (EST) (envelope-from peter@server.rulingia.com) Received: (from peter@localhost) by server.rulingia.com (8.14.5/8.14.5/Submit) id q9VJUKWW022883; Thu, 1 Nov 2012 06:30:20 +1100 (EST) (envelope-from peter) Date: Thu, 1 Nov 2012 06:30:20 +1100 From: Peter Jeremy To: Attilio Rao Subject: Re: svn commit: r242402 - in head/sys: kern vm Message-ID: <20121031193020.GJ3309@server.rulingia.com> References: <201210311807.q9VI7IcX000993@svn.freebsd.org> <1351707964.1120.97.camel@revolution.hippie.lan> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="wq9mPyueHGvFACwf" Content-Disposition: inline In-Reply-To: X-PGP-Key: http://www.rulingia.com/keys/peter.pgp User-Agent: Mutt/1.5.21 (2010-09-15) Cc: svn-src-head@FreeBSD.org, Adrian Chadd , src-committers@FreeBSD.org, svn-src-all@FreeBSD.org X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 31 Oct 2012 19:30:35 -0000 --wq9mPyueHGvFACwf Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 2012-Oct-31 18:57:37 +0000, Attilio Rao wrote: >On 10/31/12, Adrian Chadd wrote: >> Right, but you didn't make it configurable for us embedded peeps who >> still care about memory usage. > >How is this possible without breaking the module/kernel ABI? Memory usage may override ABI compatibility in an embedded environment. >All that assuming you can actually prove a real performance loss even >in the new cases. The issue with padding on embedded systems is memory utilisation rather than performance. --=20 Peter Jeremy --wq9mPyueHGvFACwf Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (FreeBSD) iEYEARECAAYFAlCRfEwACgkQ/opHv/APuIdWigCaA2bGXHHIi1Dli5ZyWD3Habkn D9MAn1kvXN8/B4Q7McrNUSsSjBMakfYU =Q3FW -----END PGP SIGNATURE----- --wq9mPyueHGvFACwf--