Getting-Started.md

@@ -18,6 +18,7 @@ git clone --depth 200 --recursive git@github.com:mars-research/lvd-linux.git
     - Tracers (main menu-->Kernel Hacking-->Tracers)
     - (not sure if these need to be turned off, but I did cuz the instructions did)
     - If you want to be clear on versions, go to menu-->General Setup-->local versions and give your kernel a name like "lvd" or something. That will suffix it onto your build files
+- Make sure that NR_CPUS is set to some smaller value (LVD boot pages contain per-cpu data, and are limited in size)
     
 3. Build and install the kernel
     - It should be as simple as `make && make modules-install && make install`