Messages in this thread | | | Subject | Re: 2.4 MM overview? | Date | Sun, 15 Oct 2000 21:22:58 +0100 (BST) | From | Alan Cox <> |
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> > or you have a sane memory management model with tags/spaces then its a non issue > > You've lost me here. Tags/spaces?
A lot of memory management hardware allows you to build page tables that contain more than just the addresses. Instead a tag register or the processor state or both are combined in the lookup. This is paticularly important for a virtually tagged cache to avoid flushing the cache on task switches
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