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Old 07-25-2012, 12:21 PM   #1
nosuchthingasstars
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Registered: Jul 2012
Distribution: Ubuntu 12.04
Posts: 2

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Request memory block at specific virtual address


I don't know if this is possible, but I thought I would ask before I just gave up. I'm writing a program that will need to request memory at a specific address in memory - I have no control over how much or what address. I've been scouring the man pages for a way to do this. I found mmap(), but I'm not sure if that's really what I want; I don't want to map a file. I also read up on page tables, but they seem like something I shouldn't even try to mess with unless there's no other way.

Thanks in advance!
 
Old 07-25-2012, 01:32 PM   #2
johnsfine
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Registered: Dec 2007
Distribution: Centos
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I think mmap() is exactly what you want. Read the details regarding MAP_ANONYMOUS in the mmap documentation.
 
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Old 07-25-2012, 01:41 PM   #3
nosuchthingasstars
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Registered: Jul 2012
Distribution: Ubuntu 12.04
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Can't believe I missed that. Thanks!
 
  


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