Messages in this thread | | | Date | Wed, 4 Oct 2000 13:52:10 -0300 (BRST) | From | Rik van Riel <> | Subject | Re: VM in v2.4.0test9 |
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On Wed, 4 Oct 2000, Roger Larsson wrote: > Rik van Riel wrote: > > On Wed, 4 Oct 2000, David Weinehall wrote: > > > > > Running the included program on a clean v2.4.0test9 kernel I can > > > hang the computer practically in no time. > > > > > What seems most strange is that the doesn't even get depleated. > > > The machine still answers to SysRq and ping, but nothing else. > > > > Looking again at this report in more detail, something > > very strange is going on ... > > > > > This is what I got from SysRq+M (manual copy): > > > > > > Free pages: 500 kB (0 highmem) > > > Active: 8 inactive dirty: 1009, inactive clean:0 > > > free: 125 (31 62 93) > > > > First, you have MORE free memory than freepages.high. In this > > case I really don't see why __alloc_pages() wouldn't give the > > memory to your processes .... > > > > Hmm... > Can't it be a zone problem? > Free pages is the total free - all zones. > But suppose you want a page from a specific zone - DMA, the more > memory you have the less likely that you have a DMA page free... > Does all test take this into consideration?
Free_shortage() /should/ take this into consideration, and unless I'm wrong, it does ;)
regards,
Rik -- "What you're running that piece of shit Gnome?!?!" -- Miguel de Icaza, UKUUG 2000
http://www.conectiva.com/ http://www.surriel.com/
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