Messages in this thread |  | | Date | Thu, 21 Dec 2000 07:45:12 -0200 (BRST) | From | Marcelo Tosatti <> | Subject | Re: [PATCH] swap write clustering |
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On Thu, 21 Dec 2000, Andrew Morton wrote:
> Marcelo Tosatti wrote: > > > > Hi, > > > > Basically this new swap_writepage function looks for dirty swapcache pages > > which may be contiguous (reverse and forward searching wrt to the physical > > address of the page being passed to swap_writepage) and builds a page list > > which is written "at once". > > > > The patch is against test13pre3. > > > > Comments are welcome. (especially about the __find_page_nolock > > modification) > > > > Have you any benchmarks for this?
Not yet.
Under some stress tests on a 16mb machine, around 30% of the clustered swapouts were reaching the limit of pages, which was 16.
Anyway, I hope to do some useful benchmarking today.
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