User: Password:
|
|
Subscribe / Log in / New account

The hazards of 32/64-bit compatibility

The hazards of 32/64-bit compatibility

Posted Sep 23, 2010 17:06 UTC (Thu) by nelhage (subscriber, #59579)
In reply to: The hazards of 32/64-bit compatibility by nix
Parent article: The hazards of 32/64-bit compatibility

What is meant is the top ~2 billion (2^31) addresses. That is to say, any address accessible via a 31-bit offset from the top of the kernel address space.

The expression "top 31 bits of kernel address space" is a bit jargony, but I suspect most kernel developers would get what it means without thinking too hard.


(Log in to post comments)

The hazards of 32/64-bit compatibility

Posted Oct 3, 2010 23:00 UTC (Sun) by nix (subscriber, #2304) [Link]

I thought I knew what it meant, too, but the more I thought about it the more the meaning slipped away from me.


Copyright © 2017, Eklektix, Inc.
Comments and public postings are copyrighted by their creators.
Linux is a registered trademark of Linus Torvalds