RE: [Xen-ia64-devel] [PATCH] translate_domain_pte must handle ED bit

["Xu, Anthony" <anthony.xu@xxxxxxxxx>]

>FYI, I was hoping that some day we might be able to use some ignored
>bits to indicate the contiguous block size that the page belongs
>to.  E.g. even if the page is 16K, if it is part of an aligned
>contiguous block of 64K where phys==machine, the larger block size
>could be put into the TLB.  This obviously was never implemented
>(and could cause extra flushing overhead if the p2m mapping changed
>for any of the "sub pages" so may not even be advantageous).
>
>Dan

Dan,
"Contiguous" is a very interesting topic. Could you share more your
thought about this?

Thanks,
-Anthony

_______________________________________________
Xen-ia64-devel mailing list
Xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-ia64-devel