linux-kernel - Re: [gentoo-user] RAM installed vs reported

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Message-ID: <4B3CF04E.8070603@asyr.hopto.org>
Date:	Thu, 31 Dec 2009 20:41:18 +0200
From:	Thanasis <thanasis@...r.hopto.org>
To:	Krzysztof Halasa <khc@...waw.pl>
CC:	gentoo-user@...ts.gentoo.org,
	Dirk Heinrichs <dirk.heinrichs@...ine.de>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [gentoo-user] RAM installed vs reported

on 12/31/2009 04:59 PM Krzysztof Halasa wrote the following:
> Thanasis <thanasis@...r.hopto.org> writes:
>
>> I thought CONFIG_HIGHMEM4G had to do with more than 4GB of RAM.
>> Now I can see that the associated help says it is for an amount between
>> 1 and 4GB.
>
> Depends on the "split" used. With 2 GB : 2 GB you can have all-lowmem
> 1.5 GB RAM, without CONFIG_HIGHMEM*. 2 GB of per-process address space
> is usually not a problem.
How do you implement that? What do you mean 2GB:2GB split ?
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