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author | Russell King <rmk+kernel@arm.linux.org.uk> | 2014-01-21 21:26:51 +0000 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2014-01-21 21:26:51 +0000 |
commit | 857989a7fdd2f6de42272578b8aaa413ed6e63e4 (patch) | |
tree | 21c941d63000fdaa0ea32d34087b53d41b5919f8 /arch/arm/mm/init.c | |
parent | 6f14d778c15fe08b6d98e759cf7e3893ed67b238 (diff) | |
parent | 7990ac9cb25d378b6311f3591f010e53a9967066 (diff) | |
download | linux-857989a7fdd2f6de42272578b8aaa413ed6e63e4.tar.gz linux-857989a7fdd2f6de42272578b8aaa413ed6e63e4.tar.bz2 linux-857989a7fdd2f6de42272578b8aaa413ed6e63e4.zip |
Merge branch 'devel-stable' into for-next
Diffstat (limited to 'arch/arm/mm/init.c')
-rw-r--r-- | arch/arm/mm/init.c | 62 |
1 files changed, 4 insertions, 58 deletions
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 3e8f106ee5fe..6dd66a999d9f 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -145,58 +145,6 @@ static void __init find_limits(unsigned long *min, unsigned long *max_low, *max_high = bank_pfn_end(&mi->bank[mi->nr_banks - 1]); } -static void __init arm_bootmem_init(unsigned long start_pfn, - unsigned long end_pfn) -{ - struct memblock_region *reg; - unsigned int boot_pages; - phys_addr_t bitmap; - pg_data_t *pgdat; - - /* - * Allocate the bootmem bitmap page. This must be in a region - * of memory which has already been mapped. - */ - boot_pages = bootmem_bootmap_pages(end_pfn - start_pfn); - bitmap = memblock_alloc_base(boot_pages << PAGE_SHIFT, L1_CACHE_BYTES, - __pfn_to_phys(end_pfn)); - - /* - * Initialise the bootmem allocator, handing the - * memory banks over to bootmem. - */ - node_set_online(0); - pgdat = NODE_DATA(0); - init_bootmem_node(pgdat, __phys_to_pfn(bitmap), start_pfn, end_pfn); - - /* Free the lowmem regions from memblock into bootmem. */ - for_each_memblock(memory, reg) { - unsigned long start = memblock_region_memory_base_pfn(reg); - unsigned long end = memblock_region_memory_end_pfn(reg); - - if (end >= end_pfn) - end = end_pfn; - if (start >= end) - break; - - free_bootmem(__pfn_to_phys(start), (end - start) << PAGE_SHIFT); - } - - /* Reserve the lowmem memblock reserved regions in bootmem. */ - for_each_memblock(reserved, reg) { - unsigned long start = memblock_region_reserved_base_pfn(reg); - unsigned long end = memblock_region_reserved_end_pfn(reg); - - if (end >= end_pfn) - end = end_pfn; - if (start >= end) - break; - - reserve_bootmem(__pfn_to_phys(start), - (end - start) << PAGE_SHIFT, BOOTMEM_DEFAULT); - } -} - #ifdef CONFIG_ZONE_DMA phys_addr_t arm_dma_zone_size __read_mostly; @@ -236,7 +184,7 @@ void __init setup_dma_zone(const struct machine_desc *mdesc) #endif } -static void __init arm_bootmem_free(unsigned long min, unsigned long max_low, +static void __init zone_sizes_init(unsigned long min, unsigned long max_low, unsigned long max_high) { unsigned long zone_size[MAX_NR_ZONES], zhole_size[MAX_NR_ZONES]; @@ -384,7 +332,6 @@ void __init arm_memblock_init(struct meminfo *mi, dma_contiguous_reserve(min(arm_dma_limit, arm_lowmem_limit)); arm_memblock_steal_permitted = false; - memblock_allow_resize(); memblock_dump_all(); } @@ -392,12 +339,11 @@ void __init bootmem_init(void) { unsigned long min, max_low, max_high; + memblock_allow_resize(); max_low = max_high = 0; find_limits(&min, &max_low, &max_high); - arm_bootmem_init(min, max_low); - /* * Sparsemem tries to allocate bootmem in memory_present(), * so must be done after the fixed reservations @@ -414,7 +360,7 @@ void __init bootmem_init(void) * the sparse mem_map arrays initialized by sparse_init() * for memmap_init_zone(), otherwise all PFNs are invalid. */ - arm_bootmem_free(min, max_low, max_high); + zone_sizes_init(min, max_low, max_high); /* * This doesn't seem to be used by the Linux memory manager any @@ -587,7 +533,7 @@ void __init mem_init(void) extern u32 itcm_end; #endif - max_mapnr = pfn_to_page(max_pfn + PHYS_PFN_OFFSET) - mem_map; + set_max_mapnr(pfn_to_page(max_pfn) - mem_map); /* this will put all unused low memory onto the freelists */ free_unused_memmap(&meminfo); |