What about add these lines in c-r4k.c? #ifnde pa_to_nid #define pa_to_nid(addr) 0 #endif Huacai On Thu, Jun 29, 2017 at 6:23 PM, Joshua Kinard <kumba@xxxxxxxxxx> wrote: > On 06/29/2017 01:46, James Hogan wrote: >> On 29 June 2017 02:33:28 BST, Huacai Chen <chenhc@xxxxxxxxxx> wrote: >>> Hi, James, >>> >>> Is it suitable to add this line in arch/mips/include/asm/mmzone.h? >>> #define pa_to_nid(addr) 0 >> >> It was basically malta_defconfig. >> >> OTOH when i tried including asm/mmzone.h, that tries including <mmzone.h> which it can't find. >> >> Cheers >> Jamee >> > > <asm/mmzone.h> is only supposed to be defined for NUMA-aware systems, as far as > I can tell. I believe a lot of the Loongson code derives somewhat from the > IP27 code, as both are the only MIPS platforms that define a specific version > of that header. > > It also looks like the generic mmzone.h header probably just needs the > <mmzone.h> include removed. pa_to_nid is only used for pfn_to_nid when > CONFIG_DISCONTIGMEM is set, and IP27 is one of the only platforms that uses > that memory model. > > --J >
