added notes on the new FAST_SHARE_MODES code

(This used to be commit e37a624cf93885a5b0e77d5ab41d4a5a0bffe668)

docs/INSTALL.txt

@@ -143,6 +143,8 @@ You can then run startsmb by hand or execute it from /etc/rc.local
 
 To kill it send a kill signal to the processes nmbd and smbd.
 
+NOTE: If you use the SVR4 style init system then you may like to look
+at the examples/svr4-startup script to make Samba fit into that system.
 
 
 STEP 7. Try listing the shares available on your server

docs/textdocs/Speed.txt

@@ -113,6 +113,10 @@ file to open the file read-only if the first has it open
 read-write. For many applications that do their own locking this
 doesn't matter, but for some it may.
 
+NOTE: In the most recent versions of Samba there is an option to use
+shared memory via mmap() to implement the share modes. This makes
+things much faster. See the Makefile for how to enable this.
+
 LOG LEVEL
 ---------