On Friday 12 October 2007 20:50, Peter Zijlstra wrote:
> On Fri, 2007-10-12 at 04:14 +1000, Nick Piggin wrote:
> > On Friday 12 October 2007 20:37, Peter Zijlstra wrote:
> > > The pages will still be read-only due to dirty tracking, so the first
> > > write will still do page_mkwrite().
> >
> > Which can SIGBUS, no?
>
> Sure, but that is no different than any other mmap'ed write. I'm not
> seeing how an mlocked region is special here.
Well it is a change in behaviour (admittedly, so was the change
to SIGBUS mmaped writes in the first place). It's a matter of
semantics I guess. Is the current behaviour actually a _problem_
for anyone? If not, then do we need to change it?
I'm not saying it does matter, just that it might matter ;)
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