> > > + if (cnt_hmm_entry) {
> > > + int ret;
> > > +
> > > + ret = hmm_mm_fork(src_mm, dst_mm, dst_vma,
> > > + dst_pmd, start, end);
> >
> > Given start, s/end/addr/, no?
>
> No, end is the right upper limit here.
>
Then in the first loop, hmm_mm_fork is invoked for
the _entire_ range, from input addr to end.
In subsequent loops(if necessary), start is updated to
addr, and hmm_mm_fork is also invoked for remaining
range, from start to end.
Is the above overlap in range making sense?
Hillf
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