Hi Stephen, next-20080630 kernel build fails on powerpc, with randconfig CC arch/powerpc/mm/mem.o arch/powerpc/mm/mem.c: In function ‘arch_add_memory’: arch/powerpc/mm/mem.c:130: error: implicit declaration of function ‘create_section_mapping’ make[1]: *** [arch/powerpc/mm/mem.o] Error 1 make: *** [arch/powerpc/mm] Error 2 -- Thanks & Regards, Kamalesh Babulal, Linux Technology Center, IBM, ISTL.