Date: Sat, 24 Dec 2011 12:20:06 +0100 From: Stefan Bethke <stb@lassitu.de> To: Bruce Evans <brde@optusnet.com.au> Cc: Alexander Best <arundel@freebsd.org>, Adrian Chadd <adrian@freebsd.org>, freebsd-current@freebsd.org, freebsd-arch@freebsd.org Subject: Re: [rfc] removing -mpreferred-stack-boundary=2 flag for i386? Message-ID: <8883B1C2-738A-4C72-B977-AD610B33982B@lassitu.de> In-Reply-To: <20111224211903.I2059@besplex.bde.org> References: <20111223235642.GA37495@freebsd.org> <20111224160050.T1141@besplex.bde.org> <CAJ-VmokbKMBXW2ppEK_tC-OdepHmQT0cF=UuQdxBg=U8t=qmVQ@mail.gmail.com> <20111224211903.I2059@besplex.bde.org>
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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 <stb@lassitu.de> Fon +49 151 14070811
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