This options is used to reserve a shared memory region for user processes
to use for hardware memory buffers. The actual code to support the option
comes in the following patch.
Signed-off-by: NCorey Minyard <cminyard@mvista.com>
Signed-off-by: NAlexander Sverdlin <alexander.sverdlin@nokia.com>
Signed-off-by: NThomas Bogendoerfer <tsbogend@alpha.franken.de>