linux-kernel - [PATCH 04/10] ioctl_userfaultfd.2: fix a few trivial mistakes

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Date:   Tue, 19 Sep 2023 12:02:00 -0700
From:   Axel Rasmussen <axelrasmussen@...gle.com>
To:     Alejandro Colomar <alx@...nel.org>, Peter Xu <peterx@...hat.com>
Cc:     linux-man@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org,
        Axel Rasmussen <axelrasmussen@...gle.com>
Subject: [PATCH 04/10] ioctl_userfaultfd.2: fix a few trivial mistakes

- Fix missing paragraph tag. The lack of this tag yielded no blank line
  in the rendere dpage, which is inconsistent with style elsewhere.

- The description of UFFDIO_WRITEPROTECT was a sentence fragment; the
  last half of the sentence was left out by mistake. Add it in to fix
  the issue.

- move UFFDIO_WRITEPROTECT 'since' to its own line All other ioctls
  note the kernel version introduced on a separate line from the ioctl
  name. Update UFFDIO_WRITEPROTECT to match the existing style.

Signed-off-by: Axel Rasmussen <axelrasmussen@...gle.com>
---
 man2/ioctl_userfaultfd.2 | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/man2/ioctl_userfaultfd.2 b/man2/ioctl_userfaultfd.2
index b5281ec4c..339adf8fe 100644
--- a/man2/ioctl_userfaultfd.2
+++ b/man2/ioctl_userfaultfd.2
@@ -31,6 +31,7 @@ using calls of the form:
 ioctl(fd, cmd, argp);
 .EE
 .in
+.PP
 In the above,
 .I fd
 is a file descriptor referring to a userfaultfd object,
@@ -351,6 +352,7 @@ operation is supported.
 .B 1 << _UFFDIO_WRITEPROTECT
 The
 .B UFFDIO_WRITEPROTECT
+operation is supported.
 .TP
 .B 1 << _UFFDIO_ZEROPAGE
 The
@@ -693,7 +695,8 @@ field of the
 structure was not a multiple of the system page size; or
 .I len
 was zero; or the specified range was otherwise invalid.
-.SS UFFDIO_WRITEPROTECT (Since Linux 5.7)
+.SS UFFDIO_WRITEPROTECT
+(Since Linux 5.7.)
 Write-protect or write-unprotect a userfaultfd-registered memory range
 registered with mode
 .BR UFFDIO_REGISTER_MODE_WP .
-- 
2.42.0.459.ge4e396fd5e-goog