proc.5, proc_pid_timerslack_ns.5: Split /proc/PID/timerslack_ns from proc(5)

Signed-off-by: Alejandro Colomar <alx@kernel.org>

diff --git a/man5/proc.5 b/man5/proc.5
index b213968ea13944d18d0d5896b7b4408cbfe7cc3c..a7be35c47b4819ac1c5c2ef7edf44c2b45def511 100644 (file)
--- a/man5/proc.5
+++ b/man5/proc.5
@@ -353,35 +353,6 @@ it is governed by the
 .B CONFIG_PROC_CHILDREN
 option.
 .TP
-.IR /proc/ pid /timerslack_ns " (since Linux 4.6)"
-.\" commit da8b44d5a9f8bf26da637b7336508ca534d6b319
-.\" commit 5de23d435e88996b1efe0e2cebe242074ce67c9e
-This file exposes the process's "current" timer slack value,
-expressed in nanoseconds.
-The file is writable,
-allowing the process's timer slack value to be changed.
-Writing 0 to this file resets the "current" timer slack to the
-"default" timer slack value.
-For further details, see the discussion of
-.B PR_SET_TIMERSLACK
-in
-.BR prctl (2).
-.IP
-Initially,
-permission to access this file was governed by a ptrace access mode
-.B PTRACE_MODE_ATTACH_FSCREDS
-check (see
-.BR ptrace (2)).
-However, this was subsequently deemed too strict a requirement
-(and had the side effect that requiring a process to have the
-.B CAP_SYS_PTRACE
-capability would also allow it to view and change any process's memory).
-Therefore, since Linux 4.9,
-.\" commit 7abbaf94049914f074306d960b0f968ffe52e59f
-only the (weaker)
-.B CAP_SYS_NICE
-capability is required to access this file.
-.TP
 .IR /proc/ pid /wchan " (since Linux 2.6.0)"
 The symbolic name corresponding to the location
 in the kernel where the process is sleeping.

diff --git a/man5/proc_pid_timerslack_ns.5 b/man5/proc_pid_timerslack_ns.5
new file mode 100644 (file)
index 0000000..73673fa
--- /dev/null
+++ b/man5/proc_pid_timerslack_ns.5
@@ -0,0 +1,41 @@
+.\" Copyright (C) 1994, 1995, Daniel Quinlan <quinlan@yggdrasil.com>
+.\" Copyright (C) 2002-2008, 2017, Michael Kerrisk <mtk.manpages@gmail.com>
+.\" Copyright (C) 2023, Alejandro Colomar <alx@kernel.org>
+.\"
+.\" SPDX-License-Identifier: GPL-3.0-or-later
+.\"
+.TH proc_pid_timerslack_ns 5 (date) "Linux man-pages (unreleased)"
+.SH NAME
+/proc/pid/timerslack_ns \- timer slack in nanoseconds
+.SH DESCRIPTION
+.TP
+.IR /proc/ pid /timerslack_ns " (since Linux 4.6)"
+.\" commit da8b44d5a9f8bf26da637b7336508ca534d6b319
+.\" commit 5de23d435e88996b1efe0e2cebe242074ce67c9e
+This file exposes the process's "current" timer slack value,
+expressed in nanoseconds.
+The file is writable,
+allowing the process's timer slack value to be changed.
+Writing 0 to this file resets the "current" timer slack to the
+"default" timer slack value.
+For further details, see the discussion of
+.B PR_SET_TIMERSLACK
+in
+.BR prctl (2).
+.IP
+Initially,
+permission to access this file was governed by a ptrace access mode
+.B PTRACE_MODE_ATTACH_FSCREDS
+check (see
+.BR ptrace (2)).
+However, this was subsequently deemed too strict a requirement
+(and had the side effect that requiring a process to have the
+.B CAP_SYS_PTRACE
+capability would also allow it to view and change any process's memory).
+Therefore, since Linux 4.9,
+.\" commit 7abbaf94049914f074306d960b0f968ffe52e59f
+only the (weaker)
+.B CAP_SYS_NICE
+capability is required to access this file.
+.SH SEE ALSO
+.BR proc (5)