linux-kernel - [PATCH man-pages 2/5] ioctl_userfaultfd.2: UFFDIO

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Message-Id: <1493617399-20897-3-git-send-email-rppt@linux.vnet.ibm.com>
Date:   Mon,  1 May 2017 08:43:16 +0300
From:   Mike Rapoport <rppt@...ux.vnet.ibm.com>
To:     "Michael Kerrisk (man-pages)" <mtk.manpages@...il.com>
Cc:     Andrea Arcangeli <aarcange@...hat.com>,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        linux-man@...r.kernel.org, Mike Rapoport <rppt@...ux.vnet.ibm.com>
Subject: [PATCH man-pages 2/5] ioctl_userfaultfd.2: UFFDIO_COPY: add ENOENT and ENOSPC description

Signed-off-by: Mike Rapoport <rppt@...ux.vnet.ibm.com>
---
 man2/ioctl_userfaultfd.2 | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/man2/ioctl_userfaultfd.2 b/man2/ioctl_userfaultfd.2
index 6edd396..e12b9de 100644
--- a/man2/ioctl_userfaultfd.2
+++ b/man2/ioctl_userfaultfd.2
@@ -481,6 +481,19 @@ was invalid.
 An invalid bit was specified in the
 .IR mode
 field.
+.TP
+.B ENOENT
+(Since Linux 4.11)
+The faulting process has changed
+its virtual memory layout simultaneously with outstanding
+.I UFFDIO_COPY
+operation.
+.TP
+.B ENOSPC
+(Since Linux 4.11)
+The faulting process has exited at the time of
+.I UFFDIO_COPY
+operation.
 .\"
 .SS UFFDIO_ZEROPAGE
 (Since Linux 4.3.)
-- 
1.9.1