> h8300-linux-ld: arch/h8300/kernel/entry.o: in function `resume_kernel': > (.text+0x29e): undefined reference to `TI_PRE_COUNT' > h8300-linux-ld: mm/gup.o: in function `.Llt6': > >> gup.c:(.text+0x79e): undefined reference to `zero_pfn' is_zero_pfn() is defined outside CONFIG_MMU, but uses zero_pfn, which is declared in memory.c which is compiled with CONFIG_MMU.
