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From"H. Peter Anvin" <>
SubjectRe: 3.5G user space speed
Date15 Jan 2002 14:09:28 -0800
Followup to:  <16247691406.20020115234737@spylog.ru>
By author:    Peter Zaitsev <pz@spylog.ru>
In newsgroup: linux.dev.kernel
> 
>   2.4.xaa Series as well as  SuSE kernels have  3.5G userspace option,
>   which seems to be quite useful, therefore I see it's not included
>   is stock kernel for some reasons. Also I've heard this
>   configuration may have some performance problems.
> 

Be careful... 3.5G breaks the initrd protocol (assuming you have
enough RAM for it to matter anyway), unless you have a 2.03 boot
protocol capable (a) kernel and (b) bootloader.  At this point I don't
know of any bootloader other than SYSLINUX 1.65 or later that is 2.03
compatible.

	-hpa

-- 
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt	<amsp@zytor.com>
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