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Re: [coyotos-dev] PinSets Neal H. Walfield Thu Aug 31 06:40:02 2006

At Fri, 13 Jan 2006 23:34:34 -0500,
Jonathan S. Shapiro wrote:
> 
> There is an unfortunate trade-off hiding in the PinSet design that I
> just sent out:
> 
>   1. It would be nice to allow multiple parties to independently
>      pin the same frame.
> 
>   2. The kernel cannot provide the storage for the priorities
>      if this is done, because it requires O(MxN) storage, where
>      N is the number of page frames and M is the number of PinSets.

The kernel can provide the storage as the maximum number of priorities
is a function of the number of frames in the system, not the number of
pin sets.

Thanks,
Neal
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