Messages in this thread | | | Date | Sun, 02 Apr 2006 19:37:25 +1000 | From | Nick Piggin <> | Subject | Re: 2.6.16-ck3 |
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Con Kolivas wrote: > On Sunday 02 April 2006 14:46, Nick Piggin wrote: > > Curious. I was under the impression lowmem reserve only did anything if you > manually set it, and the users reporting on swap prefetch behaviour are not > the sort of users likely to do so. I'm happy to fix whatever the lowmem
It is enabled by default for over a year.
> reserve bug is but I doubt this bug is making swap prefetch behave better for > ordinary users. Well, whatever the case is I'll have another look at lowmem > reserve of course. >
It would potentially make swap prefetch very happy to swap pages into the dma zone and the normal zone on highmem systems when the system is otherwise full of pagecache. So it might easily change behaviour on those systems.
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