> >> hmm, but shouldn't the kernel be able to access
> > >> physical memory directly (up to a some range anyway) ?
> >
> > > Since there is a MMU that translates from virtual to physical and each
> > > address generated by CPU goes through this, hence you need to create
> > > page table entries.
>
>
>
> ok yes, that makes sense.
> Now suppose I want to access the second byte/word from each page frame
> (physical) in the system (or a random set of page frames), would I need to
> do something similar ?
>
> On the same topic, how can a page frame (struct page) be resolved to its
> physical address ?
>
> thanks
> arn
>
>
