From mboxrd@z Thu Jan 1 00:00:00 1970 From: alain@knaff.lu (Alain Knaff) Date: Thu, 12 Nov 2009 09:45:54 +0100 Subject: Status of bzip2 and lzma kernel compression for ARM? In-Reply-To: <20091111172035.GA9682@deprecation.cyrius.com> References: <20091111163404.GA4362@deprecation.cyrius.com> <20091111170729.GG2605@pc-ran3241.res.insa> <20091111172035.GA9682@deprecation.cyrius.com> Message-ID: <4AFBCB42.60206@knaff.lu> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 11/11/09 18:20, Martin Michlmayr wrote: > * Albin Tonnerre [2009-11-11 18:07]: >> Regarding Bzip2, some testing showed that the decompressor needs at least 3.5Mb >> of memory available for malloc(), which is not available on ARM as head.S >> allocates only 64kb, so I'm sure what to do about it. At this stage, I think >> the most sensible thing to do is forgetting about using bzip2 on ARM. > > I'm mostly interested in LZMA, so lack of bzip2 support would not be a > problem for me. > >> The LZMA patch relies on patch 2/4 of the LZO patchset, which I >> resubmitted today: http://lkml.org/lkml/2009/11/11/129 I'll likely >> submit the LZMA patch once I get Russell's approval on the ARM part >> of the LZO patchset. In the > > Excellent! I'll give your patch a go on the weekend. My original patch was somehow able to do bzip2 on Arm (or at least in qemu's Arm emulator). The "latest" version is for 2.6.30 (attached, originally posted last June). If there is sufficient interest, I'll update it for 2.6.31 or the latest release candidate of 2.6.32 . Regards, Alain -------------- next part -------------- An embedded and charset-unspecified text was scrubbed... Name: arm.2.6.30.diff URL: