Re: [PATCH] New page describing userfaultfd(2) system call.

[Mike Rapoport <rppt-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>]

Hello,

On Tue, Dec 27, 2016 at 12:20:38PM +0100, Andrea Arcangeli wrote:
> Hello,
> 
> On Tue, Dec 27, 2016 at 09:16:25AM +0100, Michael Kerrisk (man-pages) wrote:
> > Hi Mike,
> > 
> > Thanks for working on this page. Just for background (since it helps
> > me fore review), how did you get the info that is documented in the
> > page?
> 
> Mike maintained and contributed to the non-cooperative support of
> userfaultfd (not documented yet in the manpage because not upstream
> yet) and he also wrote from scratch the shmem support of userfaultfd
> (also still queued for upstream merging). So I assume all information
> in the manpage has been obtained by reading the kernel code of
> userfaultfd.

Andrea, thanks for the nice summary :)
I'm working on post-copy migration in CRIU, so except reading the kernel
code, a had quite a few chances to experiment with userfaultfd :)
 
> Thanks,
> Andrea
>

--
Sincerely yours,
Mike. 

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