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Message-ID: <471C8ED4.7080400@aitel.hist.no>
Date: Mon, 22 Oct 2007 13:51:48 +0200
From: Helge Hafting <helge.hafting@aitel.hist.no>
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To: "Ravinandan Arakali (rarakali)" <rarakali@cisco.com>
CC: Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>,
       Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: Question about free/used memory on Linux
References: <FA6FB5FA4DA6BF4386D129273B2E3EC3024B847B@xmb-sjc-214.amer.cisco.com> <471BA1D1.5040905@linux.vnet.ibm.com> <FA6FB5FA4DA6BF4386D129273B2E3EC3024B847C@xmb-sjc-214.amer.cisco.com>
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Ravinandan Arakali (rarakali) wrote:
> Hi Vaidy,
> Thanks for clarifying several of my doubts.
>
> To answer your question about my intention, we currently have a 
> system with 2 GB RAM and I need to find out the actual used and 
> free memory so that we can decide if the same setup(applications,
> tmpfs etc.) can run on another system with lesser memory.
>   
You can test this directly.
Boot your 2G machine with
mem=<size of smaller system>
Then the machine uses less memory, you get
a realistic test of how the smaller machine will
perform.


Helge Hafting
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