Christophe Leroy <christophe.leroy(a)csgroup.eu&gt; writes: ... I've already squashed that in. I'd take a patch to convert all cases though, I see at least: arch/powerpc/boot/ep8248e.c: mem_size *= 1024 * 1024; arch/powerpc/boot/ep88xc.c: mem_size *= 1024 * 1024; arch/powerpc/include/asm/kexec.h:#define KEXEC_SOURCE_MEMORY_LIMIT (2 * 1024 * 1024 * 1024UL - 1) arch/powerpc/include/asm/kexec.h:#define KEXEC_DESTINATION_MEMORY_LIMIT (2 * 1024 * 1024 * 1024UL - 1) arch/powerpc/include/asm/kexec.h:#define KEXEC_CONTROL_MEMORY_LIMIT (2 * 1024 * 1024 * 1024UL - 1) arch/powerpc/kernel/iommu.c: if ((tbl->it_size << tbl->it_page_shift) >= (1UL * 1024 * 1024 * 1024)) arch/powerpc/kernel/setup-common.c: (unsigned int)(total_memory / (1024 * 1024))); arch/powerpc/mm/book3s64/radix_pgtable.c: mem_block_size = 1UL * 1024 * 1024 * 1024; arch/powerpc/mm/book3s64/radix_pgtable.c: return 1UL * 1024 * 1024 * 1024; arch/powerpc/mm/ioremap_32.c: if (p < 16 * 1024 * 1024) arch/powerpc/platforms/powernv/setup.c: return 256UL * 1024 * 1024; arch/powerpc/platforms/pseries/cmm.c: signed long min_mem_pages = (min_mem_mb * 1024 * 1024) / PAGE_SIZE; cheers