From owner-freebsd-current@FreeBSD.ORG Sat Dec 24 11:20:09 2011 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 3EC85106566C; Sat, 24 Dec 2011 11:20:09 +0000 (UTC) (envelope-from stb@lassitu.de) Received: from gilb.zs64.net (gilb.zs64.net [IPv6:2001:470:1f0b:105e::1ea]) by mx1.freebsd.org (Postfix) with ESMTP id EA31C8FC0A; Sat, 24 Dec 2011 11:20:08 +0000 (UTC) Received: by gilb.zs64.net (Postfix, from stb@lassitu.de) id 988FB10E003; Sat, 24 Dec 2011 12:20:07 +0100 (CET) Mime-Version: 1.0 (Apple Message framework v1251.1) Content-Type: text/plain; charset=us-ascii From: Stefan Bethke In-Reply-To: <20111224211903.I2059@besplex.bde.org> Date: Sat, 24 Dec 2011 12:20:06 +0100 Content-Transfer-Encoding: quoted-printable Message-Id: <8883B1C2-738A-4C72-B977-AD610B33982B@lassitu.de> References: <20111223235642.GA37495@freebsd.org> <20111224160050.T1141@besplex.bde.org> <20111224211903.I2059@besplex.bde.org> To: Bruce Evans X-Mailer: Apple Mail (2.1251.1) Cc: Alexander Best , Adrian Chadd , freebsd-current@freebsd.org, freebsd-arch@freebsd.org Subject: Re: [rfc] removing -mpreferred-stack-boundary=2 flag for i386? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 24 Dec 2011 11:20:09 -0000 Am 24.12.2011 um 12:06 schrieb Bruce Evans: > On Fri, 23 Dec 2011, Adrian Chadd wrote: >=20 >> Well, the whole kernel is bloated at the moment, sorry. >>=20 >> I've been trying to build the _bare minimum_ required to bootstrap >> -HEAD on these embedded boards and I can't get the kernel down below = 5 >> megabytes - ie, one with FFS (with options disabled), MIPS, INET (no >> INET6), net80211, ath (which admittedly is big, but I need it no >> matter what, right?) comes in at: >>=20 >> -r-xr-xr-x 1 root wheel 5307021 Nov 29 19:14 kernel.LSSR71 >>=20 >> And with INET6, on another board (and this includes MSDOS and the >> relevant geom modules): >>=20 >> -r-xr-xr-x 1 root wheel 5916759 Nov 28 12:00 kernel.RSPRO >>=20 >> .. honestly, that's what should be addressed. That's honestly a bit = ridiculous. >=20 > It's disgusting, but what problems does it cause apart from minor = slowness > from cache misses? The flash chip on these devices only has 8MB; some of the really cheap = ones only have 4MB (yes MB, not GB). And many have only 32MB RAM. It = would be nice to have space for actual applications :-) Stefan --=20 Stefan Bethke Fon +49 151 14070811