[openib-general] Re: Re: Re: madvise MADV_DONTFORK/MADV_DOFORK
Michael S. Tsirkin
mst at mellanox.co.il
Wed Feb 15 07:18:42 PST 2006
Quoting r. Gleb Natapov <glebn at voltaire.com>:
> > > Because the program should be careful to not put the data it needs in the
> > > same page with registered buffer.
> >
> > It should? Why should it?
>
> Because after fork it may not find it. (But somehow I think you know
> that.)
I dont. The private data will get COWed properly - its only with DMA
data that we have a problem. No?
--
Michael S. Tsirkin
Staff Engineer, Mellanox Technologies
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