Re: Memory limitations in Linux.

From: Riley Williams (rhw@cus.org.uk)
Date: Wed May 03 2000 - 15:50:41 EST


Hi Alan.

>> Are there any plans to increase the max per process memory
>> limitation in Linux 2.4 from 2GB(as in Linux 2.2.*)to 4GB (or
>> more)?

> Its 3Gig not 2Gig.

>> Is there a patch or maybe an (experimental) kernel in existance
>> that supports 4GB or memory?

> Not per process. The x86 architecture is just not really
> designed to do that well.

> 2.2.current is 3Gig/process up to 4G physical
> 2.3.current is 3Gig/process up to 64G physical

My understanding is that the 3G/process limit only applies for systems
compiled with the 1GB max physical memory option selected, and if that
is set to 2GB max physical memory instead, the limit dropped to
2G/process.

Can you confirm that such is not the case?

-- 
Best wishes from Riley.

* Copyright (C) 1999, Memory Alpha Systems. * All rights and wrongs reserved.

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