diff options
Diffstat (limited to 'arch/arm/mm/mmu.c')
-rw-r--r-- | arch/arm/mm/mmu.c | 39 |
1 files changed, 13 insertions, 26 deletions
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index c36f977b2ccb..698cc740c6b8 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -1154,9 +1154,8 @@ phys_addr_t arm_lowmem_limit __initdata = 0; void __init adjust_lowmem_bounds(void) { - phys_addr_t memblock_limit = 0; - u64 vmalloc_limit; - struct memblock_region *reg; + phys_addr_t block_start, block_end, memblock_limit = 0; + u64 vmalloc_limit, i; phys_addr_t lowmem_limit = 0; /* @@ -1172,26 +1171,18 @@ void __init adjust_lowmem_bounds(void) * The first usable region must be PMD aligned. Mark its start * as MEMBLOCK_NOMAP if it isn't */ - for_each_memblock(memory, reg) { - if (!memblock_is_nomap(reg)) { - if (!IS_ALIGNED(reg->base, PMD_SIZE)) { - phys_addr_t len; + for_each_mem_range(i, &block_start, &block_end) { + if (!IS_ALIGNED(block_start, PMD_SIZE)) { + phys_addr_t len; - len = round_up(reg->base, PMD_SIZE) - reg->base; - memblock_mark_nomap(reg->base, len); - } - break; + len = round_up(block_start, PMD_SIZE) - block_start; + memblock_mark_nomap(block_start, len); } + break; } - for_each_memblock(memory, reg) { - phys_addr_t block_start = reg->base; - phys_addr_t block_end = reg->base + reg->size; - - if (memblock_is_nomap(reg)) - continue; - - if (reg->base < vmalloc_limit) { + for_each_mem_range(i, &block_start, &block_end) { + if (block_start < vmalloc_limit) { if (block_end > lowmem_limit) /* * Compare as u64 to ensure vmalloc_limit does @@ -1440,19 +1431,15 @@ static void __init kmap_init(void) static void __init map_lowmem(void) { - struct memblock_region *reg; phys_addr_t kernel_x_start = round_down(__pa(KERNEL_START), SECTION_SIZE); phys_addr_t kernel_x_end = round_up(__pa(__init_end), SECTION_SIZE); + phys_addr_t start, end; + u64 i; /* Map all the lowmem memory banks. */ - for_each_memblock(memory, reg) { - phys_addr_t start = reg->base; - phys_addr_t end = start + reg->size; + for_each_mem_range(i, &start, &end) { struct map_desc map; - if (memblock_is_nomap(reg)) - continue; - if (end > arm_lowmem_limit) end = arm_lowmem_limit; if (start >= end) |