Per Jessen wrote:
James Knott wrote:
How is a 32 bit app supposed to even know about the memory beyond 4 GB, if it doesn't use PAE or equivalent?
The application is not supposed to know. Really. Maybe some of its virtual memory is mapped to physical memory at >4Gb, but the application should not and does not care.
I think we've reached the point where you're trying to strech a point. My entire discussion has been about software in general, trying to access memory beyond the natural 4 GB limit of a 32 bit CPU. Whether it's the OS or app is irrelevant to the discussion. While the OS may be using it, an app still cannot access anything beyond that limit.
The operating system does it all, and the application address space remains at 4Gb. Like I've said all along.
/Per Jessen, Zürich
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