Re: mmap for more than 2GB

From: Rik van Riel (riel@conectiva.com.br)
Date: Tue Feb 19 2002 - 17:34:06 EST


On Tue, 19 Feb 2002, Mihail Ionescu wrote:

> I am currently working on the porting of some programs from Solaris to
> Linux. The main problem I have is that the original programs heavily use
> mmap in order to access very big files (more than 4GB) (since it is a
> 64 bits operating system), but on Linux mmap will fail. Is there any clean
> way to solve this problem?

You could use a machine with 64 bits of address space.

Linux on Intel hardware cannot mmap() more than about
2 GB per process since the hardware doesn't support
more.

regards,

Rik

-- 
"Linux holds advantages over the single-vendor commercial OS"
    -- Microsoft's "Competing with Linux" document

http://www.surriel.com/ http://distro.conectiva.com/

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