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From: Thanasis <thanasis@asyr.hopto.org>
To: Krzysztof Halasa <khc@pm.waw.pl>
Cc: gentoo-user@lists.gentoo.org,
	 Dirk Heinrichs <dirk.heinrichs@online.de>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [gentoo-user] RAM installed vs reported
Date: Sun, 03 Jan 2010 12:09:35 +0200	[thread overview]
Message-ID: <4B406CDF.7010301@asyr.hopto.org> (raw)
In-Reply-To: <m3vdfmosha.fsf@intrepid.localdomain>

on 01/01/2010 03:38 PM Krzysztof Halasa wrote the following:
> Thanasis <thanasis@asyr.hopto.org> writes:
>
>   
>>> 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 ?
>>     
> See "make menuconfig", Processor type and features -> Memory split. You
> need to select "EMBEDDED" and "EXPERIMENTAL" first. What you need for
> 1.5 GB RAM is VMSPLIT_2G.
>
> The idea is that the CPU address space is divided: ca. 2 GB (in this
> configuration) for user space (for each process - instead of 3 GB),
> 2 GB - 128 MB (or something like that, I don't remember exactly) for
> physical RAM, and the last 128 MB or so for PCI devices and other
> things.
>   
Hmm..., but are EMBEDDED options suitable for a netbook like the A110L ?



  parent reply	other threads:[~2010-01-03 10:10 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-12-30 10:49 [gentoo-user] RAM installed vs reported Thanasis
2009-12-30 11:08 ` Dirk Heinrichs
2009-12-30 11:26   ` Thanasis
     [not found]     ` <m3fx6r8a0l.fsf@intrepid.localdomain>
2009-12-31 18:41       ` Thanasis
     [not found]         ` <m3vdfmosha.fsf@intrepid.localdomain>
2010-01-03 10:09           ` Thanasis [this message]
     [not found]             ` <m3aawulr8t.fsf@intrepid.localdomain>
2010-01-04  0:39               ` Thanasis
2010-01-04 14:51                 ` Joshua Murphy
2010-01-04 17:51                   ` Thanasis
2010-01-04 20:01                     ` Thanasis
2010-01-04 18:06                   ` Thanasis
2009-12-30 13:00   ` [gentoo-user] Re: [SOLVED] " Thanasis

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