From: Bodo Stroesser <bstroesser@fujitsu-siemens.com>
To: Jeff Dike <jdike@addtoit.com>
Cc: Henrik Nordstrom <uml@hno.marasystems.com>,
Rob Landley <rob@landley.net>,
user-mode-linux-devel@lists.sourceforge.net, "Vaibhav Sharma,
Noida" <Vaibhavs@noida.hcltech.com>,
Doug Dumitru <doug@easyco.com>
Subject: Re: [uml-devel] memory
Date: Mon, 24 Jan 2005 17:24:08 +0100 [thread overview]
Message-ID: <41F52128.6080202@fujitsu-siemens.com> (raw)
In-Reply-To: <200501241811.j0OIBYXk002874@ccure.user-mode-linux.org>
Jeff Dike wrote:
> bstroesser@fujitsu-siemens.com said:
>
>>But that's not all, what's needed to have *support* for big memory.
>>Linux needs to have one struct page for each physical mem page, which
>>in the simple case of UML are placed in one memmap array.
>
>
> The original poster is interested in the memory scalability of Linux, so
> presumably he'll be looking into things like this :-)
>
> And it's not only this. It's the kernel stacks and page tables you'll have
> for all the processes you'll be running on this large machine, inodes and other
> file system data for all the files they have open, etc.
Yes. That's the reason, why I estimated 1GB of memory for kernels internal use,
additionally to the memmap.
>
> Jeff
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next prev parent reply other threads:[~2005-01-24 16:17 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-23 6:46 [uml-devel] memory Vaibhav Sharma, Noida
2005-01-23 8:28 ` Doug Dumitru
2005-01-23 9:51 ` Rob Landley
2005-01-24 18:41 ` Blaisorblade
2005-01-23 18:27 ` Henrik Nordstrom
2005-01-23 18:25 ` Rob Landley
2005-01-24 10:02 ` Henrik Nordstrom
2005-01-24 18:52 ` Blaisorblade
2005-01-24 1:11 ` Jeff Dike
2005-01-24 5:10 ` Rob Landley
2005-01-24 10:12 ` Henrik Nordstrom
2005-01-24 11:31 ` Bodo Stroesser
2005-01-24 11:32 ` stian
[not found] ` <200501241811.j0OIBYXk002874@ccure.user-mode-linux.org>
2005-01-24 16:24 ` Bodo Stroesser [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-01-24 8:13 Vaibhav Sharma, Noida
2005-01-24 12:43 ` Rob Landley
2005-01-24 19:07 ` Blaisorblade
2005-01-24 22:41 ` Henrik Nordstrom
2005-01-25 1:40 ` Rob Landley
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