From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael Kerrisk (man-pages)" Subject: Re: [PATCH 2/5] ioctl_userfaultfd.2: describe memory types that can be used from 4.11 Date: Wed, 26 Apr 2017 08:52:50 +0200 Message-ID: References: <1493137748-32452-1-git-send-email-rppt@linux.vnet.ibm.com> <1493137748-32452-3-git-send-email-rppt@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1493137748-32452-3-git-send-email-rppt-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org> Sender: linux-man-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Mike Rapoport Cc: mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, Andrea Arcangeli , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, linux-man-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-man@vger.kernel.org On 04/25/2017 06:29 PM, Mike Rapoport wrote: > Signed-off-by: Mike Rapoport Thanks, Mike. Applied. Cheers, Michael > --- > man2/ioctl_userfaultfd.2 | 8 ++++++-- > 1 file changed, 6 insertions(+), 2 deletions(-) > > diff --git a/man2/ioctl_userfaultfd.2 b/man2/ioctl_userfaultfd.2 > index 66fbfdc..78abc4d 100644 > --- a/man2/ioctl_userfaultfd.2 > +++ b/man2/ioctl_userfaultfd.2 > @@ -169,11 +169,15 @@ field was not zero. > (Since Linux 4.3.) > Register a memory address range with the userfaultfd object. > The pages in the range must be "compatible". > -In the current implementation, > -.\" According to Mike Rapoport, this will change in Linux 4.11. > + > +Up to Linux kernel 4.11, > only private anonymous ranges are compatible for registering with > .BR UFFDIO_REGISTER . > > +Since Linux 4.11, > +hugetlbfs and shared memory ranges are also compatible with > +.BR UFFDIO_REGISTER . > + > The > .I argp > argument is a pointer to a > -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/ -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html