On 08/14/2017 04:51 PM, Mike Rapoport wrote:
> Since Linux 4.13 we return ESRCH instead of ENOSPC when the faulting
> process exits during UFFDIO_{COPY/ZEROPAGE} operation.
Thanks, Mike. Applied.
Cheers,
Michael
> Signed-off-by: Mike Rapoport <rppt@xxxxxxxxxxxxxxxxxx>
> ---
> man2/ioctl_userfaultfd.2 | 12 +++++++++++-
> 1 file changed, 11 insertions(+), 1 deletion(-)
>
> diff --git a/man2/ioctl_userfaultfd.2 b/man2/ioctl_userfaultfd.2
> index 14260fc..f83ef65 100644
> --- a/man2/ioctl_userfaultfd.2
> +++ b/man2/ioctl_userfaultfd.2
> @@ -489,7 +489,12 @@ its virtual memory layout simultaneously with an outstanding
> .I UFFDIO_COPY
> operation.
> .TP
> -.BR ENOSPC " (since Linux 4.11)"
> +.BR ENOSPC " (since Linux 4.11 till Linux 4.13)"
> +The faulting process has exited at the time of a
> +.I UFFDIO_COPY
> +operation.
> +.TP
> +.BR ESRCH " (since Linux 4.13)"
> The faulting process has exited at the time of a
> .I UFFDIO_COPY
> operation.
> @@ -575,6 +580,11 @@ was zero; or the range specified was invalid.
> An invalid bit was specified in the
> .IR mode
> field.
> +.TP
> +.BR ESRCH " (since Linux 4.13)"
> +The faulting process has exited at the time of a
> +.I UFFDIO_ZEROPAGE
> +operation.
> .\"
> .SS UFFDIO_WAKE
> (Since Linux 4.3.)
>
--
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/
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