Date: Mon, 19 Dec 2005 10:32:48 -0800 From: Maxim Sobolev <sobomax@portaone.com> To: John Baldwin <jhb@FreeBSD.ORG> Cc: cvs-src@FreeBSD.ORG, src-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG Subject: Re: cvs commit: src/sys/boot/i386/loader main.c Message-ID: <43A6FCD0.4030809@portaone.com> In-Reply-To: <200512191033.33186.jhb@freebsd.org> References: <200512190926.jBJ9QhbD078141@repoman.freebsd.org> <200512191033.33186.jhb@freebsd.org>
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John Baldwin wrote: > On Monday 19 December 2005 04:26 am, Maxim Sobolev wrote: >> sobomax 2005-12-19 09:26:42 UTC >> >> FreeBSD src repository >> >> Modified files: >> sys/boot/i386/loader main.c >> Log: >> If LOADER_BZIP2_SUPPORT is defined allocate heap in the 1MB-4MB range to >> provide enough room for decompression (up to 2.5MB is necessary). This >> should be safe to do since we load i386 kernels after 8MB mark now, so >> that 16MB is the minimum amount of RAM necessary to even boot FreeBSD. > > Err, I thought we loaded PAE kernels at 2MB and non-PAE kernels at 4MB to skip > the first PSE page (PSE pages are 2MB on PAE). You are right, my mistake, sorry. In any case memory in the range 1MB-4MB can be used by default. -Maxim
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