Re: [PATCH] mm: tracking shared dirty pages -v10

Arjan van de Ven
2006-06-23T18:05:24Z

> My main worry has always been the effects of this on some strange load,
> not the stability itself.
>
> > And have we even seen stats for it yet? We know that it shouldn't
> > affect the vast majority of loads (not mapping shared writable), but
> > it won't be fixing any problem on them either; and we've had reports
> > that it does fix the issue, but at what perf cost? (I may have missed)
>
> _Exactly_. This is why I think earlier rather than later is better.
>
> Sitting in -mm won't get us any new unexpected load cases - only more of
> the same that hasn't shown any huge flags per se (although the dirty limit
> discussion clearly shows people are at least thinking about it).

one options it to ask the distributions to put this into their more
experimental kernels for a bit to give it a broader exposure... it's
still a bit small but at least broader than "kernel developers"...