Re: Why *not* rmap, anyway?

[Momchil Velikov <velco@fadata.bg>]

>>>>> "Daniel" == Daniel Phillips <phillips@bonn-fries.net> writes:

Daniel> On Tuesday 07 May 2002 21:25, William Lee Irwin III wrote:
>> Procedural interfaces to pagetable manipulations are largely what
>> the BSD pmap and SVR4 HAT layers consisted of, no?

Daniel> They factor the interface the wrong way for Linux.  You don't want
Daniel> to have to search for each (pte *) starting from the top of the
Daniel> structure.  We need to be able to do bulk processing.  The BSD
Daniel> interface just doesn't accomodate this.

FWIW, UVM has a mechanism to traverse all the mapped pages, as opposed
to traversing all the addresses and checking of there is a page.

My 2c,
-velco
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