[2790] in linux-net channel archive
Re: Virtual Memory in Linux
daemon@ATHENA.MIT.EDU (Chai Harjo)
Sun May 5 03:44:18 1996
Date: Sat, 4 May 1996 08:34:51 +1000
To: "Jon 'maddog' Hall, USG Senior Leader" <hall@zk3.dec.com>
From: Chai Harjo <h9304021@student.anu.edu.au>
Cc: redhat-list@redhat.com, linux-net@vger.rutgers.edu
At 11:52 AM 5/2/96 -0400, you wrote:
>
>> I did not know what Linus has implemented as the actual "supported" address
>> space limitation per-process, so I asked him. In some systems there are
>> efficiency reasons for setting an artificial upper limit.
>
>To my knowledge there should be no such limit.
>
>Just to be sick, I did write this program:
>
< [snip]
>which works fine on Linux/alpha and prints out
>
> Allocated 107374182400 bytes at 0x15555556000
>
>However, don't expect to be able to reasonably use 100GB worth of virtual
>memory on a 32MB alpha that is running X at the time - it will probably run
>out of main memory just handling the page tables.
>
Thank you for all people who have answered my question.
Thanks for in depth explanation from Jon "maddog".
When I tried the program, I got :
Allocated 0 bytes at (nil)
Wierd? What testfile did you use?
What should be in the test file?
Thanks
Chai Harjo
