Messages in this thread | | | Subject | Re: [PATCH] powerpc/mm: setting mmaped page cache property through device tree | From | Benjamin Herrenschmidt <> | Date | Fri, 04 Dec 2009 13:38:51 +1100 |
| |
On Tue, 2009-12-01 at 15:35 +0100, Segher Boessenkool wrote: > So make the memory known to the kernel, just tell the kernel not to > use it. If it's normal system RAM, just put it in the "memory" node > and do a memreserve on it (or do something in your platform code); if > it's some other memory, do a device driver for it, map it there.
Right, if he's going to map it cachable he shouldn't bother with using mem= or crap like that. And /dev/mem should just work.
Cheers, Ben
| |