Re: [BUG] 2.4 VM sucks. Again

[Alan Cox]

> > What sort of setup. I can't duplicate the problem here ?
> 
> I'm not sure exactly what Roy was doing, but we were taking a machine
> with 16Gb of RAM, and reading files into the page cache - I think we built up
> 8 million buffer_heads according to slabinfo ... on a P4 they're 128 bytes each,
> on a P3 96 bytes.

The buffer heads one would make sense. I only test on realistic sized systems. 
Once you pass 4Gb there are so many problems its not worth using x86 in the
long run