Re: [RFC][PATCH] mm: fix page_mkclean() vs non-linear vmas

Miklos Szeredi
2007-03-08T12:11:01Z

> > - it's a maintenance burden: I'll have to layer the m/ctime update
> > patch on top of this
>
> But you have to update m/ctime for BDI_CAP_NO_WRITEBACK mappings anyway
> don't you?

Yes, but that's a different aspect of msync(), not about the data
writeback issues that nonlinear mappings have.

So a solution that solves both these problems would probably be more
complex.

> > - the only pro for this has been that Nick thinks it cool ;)
>
> Nonlinear in general, rather than this specifically.

Fair enough.

Miklos