Re: shared pagetable benchmarking

[Dave McCracken <dmccr@us.ibm.com>]

--On Friday, December 27, 2002 12:18:23 -0800 Linus Torvalds
<torvalds@transmeta.com> wrote:

> That's clearly not 2.6.x material. But at this point I doubt that shared
> page tables are either, unless they fix something more important than 
> fork() speed for processes that are larger than 16MB.

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.

Dave McCracken

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