diff options
Diffstat (limited to 'arch/arm/mm/init.c')
| -rw-r--r-- | arch/arm/mm/init.c | 29 |
1 files changed, 13 insertions, 16 deletions
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 2958e74fc42c..1f7b19a47060 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -76,14 +76,6 @@ static int __init parse_tag_initrd2(const struct tag *tag) __tagtable(ATAG_INITRD2, parse_tag_initrd2); -#ifdef CONFIG_OF_FLATTREE -void __init early_init_dt_setup_initrd_arch(unsigned long start, unsigned long end) -{ - phys_initrd_start = start; - phys_initrd_size = end - start; -} -#endif /* CONFIG_OF_FLATTREE */ - /* * This keeps memory configuration data used by a couple memory * initialization functions, as well as show_mem() for the skipping @@ -207,7 +199,7 @@ static void __init arm_bootmem_init(unsigned long start_pfn, #ifdef CONFIG_ZONE_DMA -unsigned long arm_dma_zone_size __read_mostly; +phys_addr_t arm_dma_zone_size __read_mostly; EXPORT_SYMBOL(arm_dma_zone_size); /* @@ -217,6 +209,7 @@ EXPORT_SYMBOL(arm_dma_zone_size); * so a successful GFP_DMA allocation will always satisfy this. */ phys_addr_t arm_dma_limit; +unsigned long arm_dma_pfn_limit; static void __init arm_adjust_dma_zone(unsigned long *size, unsigned long *hole, unsigned long dma_size) @@ -236,9 +229,10 @@ void __init setup_dma_zone(const struct machine_desc *mdesc) #ifdef CONFIG_ZONE_DMA if (mdesc->dma_zone_size) { arm_dma_zone_size = mdesc->dma_zone_size; - arm_dma_limit = PHYS_OFFSET + arm_dma_zone_size - 1; + arm_dma_limit = __pv_phys_offset + arm_dma_zone_size - 1; } else arm_dma_limit = 0xffffffff; + arm_dma_pfn_limit = arm_dma_limit >> PAGE_SHIFT; #endif } @@ -350,6 +344,11 @@ void __init arm_memblock_init(struct meminfo *mi, memblock_reserve(__pa(_stext), _end - _stext); #endif #ifdef CONFIG_BLK_DEV_INITRD + /* FDT scan will populate initrd_start */ + if (initrd_start) { + phys_initrd_start = __virt_to_phys(initrd_start); + phys_initrd_size = initrd_end - initrd_start; + } if (phys_initrd_size && !memblock_is_region_memory(phys_initrd_start, phys_initrd_size)) { pr_err("INITRD: 0x%08llx+0x%08lx is not a memory region - disabling initrd\n", @@ -421,12 +420,10 @@ void __init bootmem_init(void) * This doesn't seem to be used by the Linux memory manager any * more, but is used by ll_rw_block. If we can get rid of it, we * also get rid of some of the stuff above as well. - * - * Note: max_low_pfn and max_pfn reflect the number of _pages_ in - * the system, not the maximum PFN. */ - max_low_pfn = max_low - PHYS_PFN_OFFSET; - max_pfn = max_high - PHYS_PFN_OFFSET; + min_low_pfn = min; + max_low_pfn = max_low; + max_pfn = max_high; } /* @@ -532,7 +529,7 @@ static inline void free_area_high(unsigned long pfn, unsigned long end) static void __init free_highpages(void) { #ifdef CONFIG_HIGHMEM - unsigned long max_low = max_low_pfn + PHYS_PFN_OFFSET; + unsigned long max_low = max_low_pfn; struct memblock_region *mem, *res; /* set highmem page free */ |