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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