.IR args
must be a pointer to an unsigned 32-bit filter return action.
.TP
-.BR SECCOMP_GET_NOTIF_SIZES " (since Linux 4.21)"
-Get the sizes of the seccomp userspace notification structures. Since the
-structures include a struct seccomp_data which may grow in size, this command
-can be used to determine how much memory to allocate for sending and receiving
-notifications.
+.BR SECCOMP_GET_NOTIF_SIZES " (since Linux 5.0)"
+.\" commit 6a21cc50f0c7f87dae5259f6cfefe024412313f6
+Get the sizes of the seccomp user-space notification structures.
+Since the structures include a
+.I "struct seccomp_data"
+which may grow in size, this command can be used to determine how
+much memory to allocate for sending and receiving notifications.
.IP
The value of
.IR flags
must be 0, and
.IR args
-must be a pointer to a struct seccomp_notif_sizes, which looks like:
+must be a pointer to a
+.IR "struct seccomp_notif_sizes" ,
+which has the following form:
.IP
.in +4n
.EX
};
.EE
.in
-.PP
+.IP
+See
+.BR seccomp_user_notif (2)
+for further details.
+.\"
.SS Filters
When adding filters via
.BR SECCOMP_SET_MODE_FILTER ,