> I speculate this would be good for small systems as well as it reduces
> the size of struct page by 2*sizeof(unsigned long) bytes, allowing more
> incremental allocation of pagecache metadata. I haven't tried it on my
> smaller systems yet (due to lack of disk space and needing to build the
> cross-toolchains), though I'm now curious as to its exact behavior there.
Why not mem=8M, nosmp on your "big" system?
Pavel
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