Re: /proc/meminfo

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Author: Keith Smith
Date:  
To: Main PLUG discussion list
Subject: Re: /proc/meminfo
Thank you everyone who responded. Round up since it does not list kernel
memory.


On 2015-03-19 13:08, Brian Cluff wrote:
> I've never heard of RAM vendors using Mebibytes instead of Megabytes.
> It doesn't really make any sense. Vendors use Mebibytes to make they
> storage sound like it's just a little bit bigger than the competition
> and ram sizes are still small enough that it would sound weird if
> someone were to advertise a laptop with weird decimal sizes on the
> ram.
>
> Brian Cluff
>
> On 03/19/2015 03:04 AM, Todd Millecam wrote:
>> Not sure if this helps, but there are actually two different measures
>> used for computer storage sizes. The first is the technical one,
>> which
>> is abbreviated as kB, mB, and gB, where 1 mB = 1024 kB.
>> The second is actually what marketing uses, and what most components
>> advertise their "space" as, where they round everything down from 1024
>> to 1000, and those are abbreviated KB, MB, and GB. This is why a
>> 1.5TB
>> hard drive shows up on your computer as 1.44 tB. Ram vendors
>> sometimes
>> do the same thing.
>>
>> On Thu, Mar 19, 2015 at 2:16 AM, Brian Cluff <
>> <mailto:brian@snaptek.com>> wrote:
>>
>>     Looks like you have 4 gigs of ram with a video card that uses some
>>     of the system ram as it's video ram.

>>
>>     Brian Cluff

>>
>>     On 03/18/2015 04:45 PM, Keith Smith wrote:

>>
>>
>>         Hi,

>>
>>         I'm looking at a server and ran  cat /proc/meminfo  and got:

>>
>>         MemTotal:        3781692 kB

>>
>>         I was expecting 2GB or 4GB.

>>
>>         According to

>>
>> https://www.centos.org/docs/5/__html/5.1/Deployment_Guide/s2-__proc-meminfo.html
>>
>> <https://www.centos.org/docs/5/html/5.1/Deployment_Guide/s2-proc-meminfo.html>
>>         MemTotal is total RAM.  In their example they show:

>>
>>         MemTotal:       255908 kB

>>
>>         and say that is 256MB of RAM.

>>
>>         256MB = 262144KB.  Am I wrong?

>>
>>         What am I missing?

>>
>>         Thanks!!

>>
>>
>>
>>
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>>
>>
>>
>> --
>> Todd Millecam
>>
>>
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