Date: Mon, 18 Apr 2016 19:59:51 -0700 From: Devin Teske <dteske@freebsd.org> To: Allan Jude <allanjude@FreeBSD.org> Cc: Pedro Giffuni <pfg@FreeBSD.org>, Adrian Chadd <adrian.chadd@gmail.com>, "src-committers@freebsd.org" <src-committers@freebsd.org>, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>, "svn-src-head@freebsd.org" <svn-src-head@freebsd.org>, Devin Teske <dteske@FreeBSD.org> Subject: Re: svn commit: r298230 - in head: lib/libstand sys/boot/common sys/boot/efi/libefi sys/boot/efi/loader sys/boot/i386/libfirewire sys/boot/i386/libi386 sys/boot/i386/loader sys/boot/mips/beri/loader sy... Message-ID: <F9B9BE55-60CE-4592-9897-11F3567F8174@freebsd.org> In-Reply-To: <57158BF3.3060605@freebsd.org> References: <201604182309.u3IN9MC6047480@repo.freebsd.org> <CAJ-Vmo=WX8xwnuvbPJMib3BMuVKjQMkKt1qXkx=TPH5wZYPM1A@mail.gmail.com> <57157108.6090500@freebsd.org> <84FB3FCC-4779-4ED1-B0A6-142C90D08EEF@freebsd.org> <5715848F.7020805@FreeBSD.org> <CE15B9D5-C830-427B-9656-FFCBDDD25B9C@freebsd.org> <57158BF3.3060605@freebsd.org>
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> On Apr 18, 2016, at 6:37 PM, Allan Jude <allanjude@FreeBSD.org> wrote: > > On 2016-04-18 21:32, Devin Teske wrote: >> >>> On Apr 18, 2016, at 6:06 PM, Pedro Giffuni <pfg@FreeBSD.org> wrote: >>> >>> >>> >>> On 04/18/16 19:30, Devin Teske wrote: >>>> >>>> >>>>> On Apr 18, 2016, at 4:43 PM, Allan Jude <allanjude@FreeBSD.org >>>>> <mailto:allanjude@FreeBSD.org>> wrote: >>>>> >>>>> On 2016-04-18 19:36, Adrian Chadd wrote: >>>>>> Someone pointed out how this bloats out memory requirement in loader. >>>>>> >>>>>> Did anyone check that? >>>>>> >>>>>> -adrian >>>>>> >>>>> >>>>> I tested down to 128mb of ram in QEMU, booted from the installer ISO, >>>>> did the install, and booted the installed system without issue. >>>> >>>> Hmm. Would be nice if we could claim success under 64MB too. >>>> If you get the chance. >>>> How low can it go? >>> >>> FWIW, The code review comments state: >>> >>> <quote> >>> >>> BTW: as mentioned in very beginning of this project, I'm reserving fairly large chunk of memory (64MB) for loader and using same amount for both BIOS/UEFI variants, default in freebsd is 3MB, eventually this should be reviewed, but currently it will affect very small setups. >>> >>> </quote> >>> >>> I still think it's pretty cool, thanks to everyone involved. >>> >> >> Does anyone know what the original memory reservation amount was before it was upped to 64MB? >> > > It was 3MB > Next [possibly] dumb question(s). Is it easily tunable? If not, why not? What happens when we want to bump it further in the future? -- Devin
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