Since Linux 4.13 we return ESRCH instead of ENOSPC when the faulting
process exits during UFFDIO_{COPY/ZEROPAGE} operation.
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.)
--
2.7.4
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