Messages in this thread | | | Date | Fri, 6 Mar 1998 12:04:15 +0100 (MET) | From | Rik van Riel <> | Subject | Re: vmscan logic improvement, feedback wanted |
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On Fri, 6 Mar 1998, David Woodhouse wrote:
> > H.H.vanRiel@fys.ruu.nl said: > > so far, I've had one succes story with the patch I posted a few hours > > ago. It showed a huge performance improvement over systems without my > > patch. > > I'd second that. However, it's still drastically worse than 2.1.88 was. > > This is a 64Mb dual Pentium machine, and when it starts paging, it still > just locks up for five or ten seconds at a time, and the load hits about eight.
It's in the free_memory_available() test. It's next to impossible to get a free 128k area from random swapping, so kswapd swaps up to 1/3rd of total memory at once :-(
Rik. +-----------------------------+------------------------------+ | For Linux mm-patches, go to | "I'm busy managing memory.." | | my homepage (via LinuxHQ). | H.H.vanRiel@fys.ruu.nl | | ...submissions welcome... | http://www.fys.ruu.nl/~riel/ | +-----------------------------+------------------------------+
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