Index: ./share/man/man4/options.4
===================================================================
RCS file: /cvsroot/src/share/man/man4/options.4,v
retrieving revision 1.513
diff -u -p -r1.513 options.4
--- ./share/man/man4/options.4	1 Aug 2020 08:20:47 -0000	1.513
+++ ./share/man/man4/options.4	4 Aug 2020 06:07:08 -0000
@@ -30,7 +30,7 @@
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
 .\"
-.Dd August 1, 2020
+.Dd August 4, 2020
 .Dt OPTIONS 4
 .Os
 .Sh NAME
@@ -2190,27 +2190,6 @@ Note that this sets the value of the
 variable which may be changed at run time \(em see
 .Xr sysctl 8
 for details.
-.It Cd options USE_TOPDOWN_VM
-User space memory allocations (as made by
-.Xr mmap 2 )
-will be arranged in a
-.Dq top down
-fashion instead of the traditional
-.Dq upwards from MAXDSIZ \&+ vm_daddr
-method.
-This includes the placement of
-.Xr ld.so 1 .
-Arranging memory in this manner allows either (or both of) the heap or
-.Xr mmap 2
-allocated space to grow larger than traditionally possible.
-This option is not available on all ports, but is instead expected to be
-offered on a port-by-port basis, after which some ports will commit to
-using it by default.
-See the files
-.Pa /usr/include/uvm/uvm_param.h
-for some implementation details, and
-.Pa /usr/include/machine/vmparam.h
-for port specific details including availability.
 .It Cd options VMSWAP
 Enable paging device/file support.
 This option is on by default.
Index: ./sys/uvm/files.uvm
===================================================================
RCS file: /cvsroot/src/sys/uvm/files.uvm,v
retrieving revision 1.35
diff -u -p -r1.35 files.uvm
--- ./sys/uvm/files.uvm	29 Jun 2020 23:33:46 -0000	1.35
+++ ./sys/uvm/files.uvm	4 Aug 2020 06:07:08 -0000
@@ -6,7 +6,7 @@
 defflag opt_uvmhist.h		UVMHIST: KERNHIST
 defflag opt_uvmhist.h		UVMHIST_PRINT: KERNHIST_PRINT
 defparam opt_uvmhist.h		UVMHIST_MAPHIST_SIZE UVMHIST_PDHIST_SIZE
-defflag opt_uvm.h		USE_TOPDOWN_VM UVMMAP_COUNTERS
+defflag opt_uvm.h		UVMMAP_COUNTERS
 defparam opt_uvm.h		UVM_RESERVED_PAGES_PER_CPU
 defflag opt_vmswap.h		VMSWAP : aes
 defflag opt_readahead.h		READAHEAD_STATS