Ian Campbell writes ("Re: [PATCH XEN v6 25/32] tools/libs/gnttab: Extensive
updates to API documentation."):
> On Wed, 2015-12-09 at 16:09 +0000, Ian Jackson wrote:
> > Is this actually true ? Normally close() on an fd does not munmap
> > anything mmapped from the fd.
>
> Uh yes, I was talking rubbish here, unless the drivers are more magic than
> I think they are.
>
> So what is the answer? That such memory is wasted and irrecovable until
> exec?
I don't know. What would happen if you munmapped it ?
Ian.
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