Re: 32-bit apps and 4GB memory

From: Bill Verzal (BVerzal@KOMATSUNA.COM)
Date: Tue Sep 23 2003 - 14:56:07 EDT


That is unless you set EXTSHM=ON

BV
--------------------------------------------------------

Bill Verzal
AIX Administrator, Komatsu America
(847) 970-3726 - direct
(847) 970-4184 - fax

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| | 09/23/2003 01:28 |
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  | To: aix-l@Princeton.EDU |
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  | Subject: Re: 32-bit apps and 4GB memory |
>-------------------------------------------------------------------------------------------------------------------------------|

getting caught up after a week off...

A shared memory segment can be 2 GB each.
You can have 11 shared memory segments (see shmat routine). So it looks
like
22 GB, as long as you don't try any mapping (like mmap, etc).

> -----Original Message-----
> From: pSeries AIX Geek [mailto:aixgeek@yahoo.com]
> Sent: September 16, 2003 11:56 AM
> To: aix-l@Princeton.EDU
> Subject: 32-bit apps and 4GB memory
>
>
> I'm scratching my brain to remember, and I'm obviously
> not inputting the right search arguments in google and
> the archives, but how can you get 32-bit apps to
> access more than 2GB of memory (like 4GB of memory).
>
> Wasn't there a system-level thing you could tweak? Or
> did you have to recompile the app with new arguments?
> Can't remember...
>
> - pAG
>
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