Re: 2.4 MM overview?

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Sun Oct 15 2000 - 15:22:58 EST


> > 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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