>>>>> "Daniel" == Daniel Phillips <phillips@bonn-fries.net> writes:
Daniel> On January 29, 2002 09:39 am, Momchil Velikov wrote:
>> >>>>> "Oliver" == Oliver Xymoron <oxymoron@waste.org> writes:
Oliver> you can't actually _share_ the page tables without marking the pages
Oliver> themselves readonly.
>>
>> Of course, ptes are made COW, just like now. Which brings up the
>> question how much speedup we'll gain with a code that touches every
>> single pte anyway ?
Daniel> It's only touching the ptes on tables that are actually used, so if a parent
Daniel> with a massive amount of mapped memory forks a child that only instantiates
Daniel> a small portion of it (common situation) then the saving is pretty big.
Umm, all the ptes af the parent ought to be made COW, no ?
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This archive was generated by hypermail 2b29 : Thu Jan 31 2002 - 21:00:58 EST