The man page for the obsolete function getpagesize(3) still lacks information regarding its removal (and existance) in SUS. This diff makes this more clear.
Index: lib/libc/gen/getpagesize.3 =================================================================== RCS file: /cvs/src/lib/libc/gen/getpagesize.3,v retrieving revision 1.11 diff -u -p -u -p -r1.11 getpagesize.3 --- lib/libc/gen/getpagesize.3 5 Jun 2013 03:39:22 -0000 1.11 +++ lib/libc/gen/getpagesize.3 22 May 2021 14:42:55 -0000 @@ -27,7 +27,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd $Mdocdate: June 5 2013 $ +.Dd $Mdocdate: May 22 2021 $ .Dt GETPAGESIZE 3 .Os .Sh NAME @@ -61,5 +61,9 @@ hardware page size. .Sh HISTORY The .Fn getpagesize -function call appeared in +function call first appeared in .Bx 4.2 . +It was part of the +.St -susv2 +as a legacy feature and was removed in +.St -susv3 .
