ILOG2_4MB 699 arch/sparc/mm/init_64.c phys_page = (prom_boot_mapping_phys_low >> ILOG2_4MB) << ILOG2_4MB; ILOG2_4MB 2321 arch/sparc/mm/init_64.c kern_base = (prom_boot_mapping_phys_low >> ILOG2_4MB) << ILOG2_4MB; ILOG2_4MB 2399 arch/sparc/mm/init_64.c num_kernel_image_mappings = DIV_ROUND_UP(real_end - KERNBASE, 1 << ILOG2_4MB);