On Friday 27 December 2002 21:50, Linus Torvalds wrote:

On Fri, 27 Dec 2002, Dave McCracken wrote:

quoted

The other thing it does is eliminate the duplicate pte pages for shared
regions everywhere they span a complete pte page.  While hugetlb can also
do this for some specialized applications, shared page tables will do it
for every shared region that's large enough.  I dunno whether you
consider that important enough to qualify, but I figured I should point
it out.

I don't consider it important enough to qualify unless there are some real
loads where it really matters.

Well, I know IBM has real loads that it matters on, otherwise Dave wouldn't 
be on this.  I have reason to believe Oracle has loads that care about this 
as well, so it's time for somebody there to either speak up or kiss this 
facility goodbye for another cycle or two.  Wim?

--
Daniel
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