Messages in this thread | | | Date | Mon, 5 Aug 2002 10:57:53 -0300 (BRT) | From | Rik van Riel <> | Subject | Re: [PATCH] Rmap speedup |
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On Mon, 5 Aug 2002, Daniel Phillips wrote:
> > Despite the fact that the number of pte_chain references in > > page_add/remove_rmap now just averages two in that test. > > It's weird that it only averages two. It's a four way and your running > 10 in parallel, plus a process to watch for completion, right?
I explained this one in the comment above the declaration of struct pte_chain ;)
* A singly linked list should be fine for most, if not all, workloads. * On fork-after-exec the mapping we'll be removing will still be near * the start of the list, on mixed application systems the short-lived * processes will have their mappings near the start of the list and * in systems with long-lived applications the relative overhead of * exit() will be lower since the applications are long-lived.
cheers,
Rik -- Bravely reimplemented by the knights who say "NIH".
http://www.surriel.com/ http://distro.conectiva.com/
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