diff options
| -rw-r--r-- | arch/arm/include/asm/setup.h | 11 | ||||
| -rw-r--r-- | arch/arm/mm/init.c | 59 |
2 files changed, 39 insertions, 31 deletions
diff --git a/arch/arm/include/asm/setup.h b/arch/arm/include/asm/setup.h index 7bbf105463f..a65413ba121 100644 --- a/arch/arm/include/asm/setup.h +++ b/arch/arm/include/asm/setup.h @@ -209,6 +209,17 @@ struct meminfo { struct membank bank[NR_BANKS]; }; +#define for_each_nodebank(iter,mi,no) \ + for (iter = 0; iter < mi->nr_banks; iter++) \ + if (mi->bank[iter].node == no) + +#define bank_pfn_start(bank) __phys_to_pfn((bank)->start) +#define bank_pfn_end(bank) __phys_to_pfn((bank)->start + (bank)->size) +#define bank_pfn_size(bank) ((bank)->size >> PAGE_SHIFT) +#define bank_phys_start(bank) (bank)->start +#define bank_phys_end(bank) ((bank)->start + (bank)->size) +#define bank_phys_size(bank) (bank)->size + /* * Early command line parameters. */ diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index ffff901cf62..9b7f0bf26f5 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -69,10 +69,6 @@ __tagtable(ATAG_INITRD2, parse_tag_initrd2); */ static struct meminfo meminfo = { 0, }; -#define for_each_nodebank(iter,mi,no) \ - for (iter = 0; iter < mi->nr_banks; iter++) \ - if (mi->bank[iter].node == no) - void show_mem(void) { int free = 0, total = 0, reserved = 0; @@ -86,11 +82,12 @@ void show_mem(void) struct page *map = n->node_mem_map - n->node_start_pfn; for_each_nodebank (i,mi,node) { + struct membank *bank = &mi->bank[i]; unsigned int pfn1, pfn2; struct page *page, *end; - pfn1 = __phys_to_pfn(mi->bank[i].start); - pfn2 = __phys_to_pfn(mi->bank[i].size + mi->bank[i].start); + pfn1 = bank_pfn_start(bank); + pfn2 = bank_pfn_end(bank); page = map + pfn1; end = map + pfn2; @@ -129,17 +126,17 @@ void show_mem(void) static unsigned int __init find_bootmap_pfn(int node, struct meminfo *mi, unsigned int bootmap_pages) { - unsigned int start_pfn, bank, bootmap_pfn; + unsigned int start_pfn, i, bootmap_pfn; start_pfn = PAGE_ALIGN(__pa(&_end)) >> PAGE_SHIFT; bootmap_pfn = 0; - for_each_nodebank(bank, mi, node) { + for_each_nodebank(i, mi, node) { + struct membank *bank = &mi->bank[i]; unsigned int start, end; - start = mi->bank[bank].start >> PAGE_SHIFT; - end = (mi->bank[bank].size + - mi->bank[bank].start) >> PAGE_SHIFT; + start = bank_pfn_start(bank); + end = bank_pfn_end(bank); if (end < start_pfn) continue; @@ -178,13 +175,10 @@ static int __init check_initrd(struct meminfo *mi) initrd_node = -1; for (i = 0; i < mi->nr_banks; i++) { - unsigned long bank_end; - - bank_end = mi->bank[i].start + mi->bank[i].size; - - if (mi->bank[i].start <= phys_initrd_start && - end <= bank_end) - initrd_node = mi->bank[i].node; + struct membank *bank = &mi->bank[i]; + if (bank_phys_start(bank) <= phys_initrd_start && + end <= bank_phys_end(bank)) + initrd_node = bank->node; } } @@ -204,9 +198,9 @@ static inline void map_memory_bank(struct membank *bank) #ifdef CONFIG_MMU struct map_desc map; - map.pfn = __phys_to_pfn(bank->start); - map.virtual = __phys_to_virt(bank->start); - map.length = bank->size; + map.pfn = bank_pfn_start(bank); + map.virtual = __phys_to_virt(bank_phys_start(bank)); + map.length = bank_phys_size(bank); map.type = MT_MEMORY; create_mapping(&map); @@ -232,8 +226,8 @@ bootmem_init_node(int node, int initrd_node, struct meminfo *mi) struct membank *bank = &mi->bank[i]; unsigned long start, end; - start = bank->start >> PAGE_SHIFT; - end = (bank->start + bank->size) >> PAGE_SHIFT; + start = bank_pfn_start(bank); + end = bank_pfn_end(bank); if (start_pfn > start) start_pfn = start; @@ -263,8 +257,10 @@ bootmem_init_node(int node, int initrd_node, struct meminfo *mi) pgdat = NODE_DATA(node); init_bootmem_node(pgdat, boot_pfn, start_pfn, end_pfn); - for_each_nodebank(i, mi, node) - free_bootmem_node(pgdat, mi->bank[i].start, mi->bank[i].size); + for_each_nodebank(i, mi, node) { + struct membank *bank = &mi->bank[i]; + free_bootmem_node(pgdat, bank_phys_start(bank), bank_phys_size(bank)); + } /* * Reserve the bootmem bitmap for this node. @@ -317,7 +313,7 @@ bootmem_init_node(int node, int initrd_node, struct meminfo *mi) */ zhole_size[0] = zone_size[0]; for_each_nodebank(i, mi, node) - zhole_size[0] -= mi->bank[i].size >> PAGE_SHIFT; + zhole_size[0] -= bank_pfn_size(&mi->bank[i]); /* * Adjust the sizes according to any special requirements for @@ -427,7 +423,9 @@ static void __init free_unused_memmap_node(int node, struct meminfo *mi) * information on the command line. */ for_each_nodebank(i, mi, node) { - bank_start = mi->bank[i].start >> PAGE_SHIFT; + struct membank *bank = &mi->bank[i]; + + bank_start = bank_pfn_start(bank); if (bank_start < prev_bank_end) { printk(KERN_ERR "MEM: unordered memory banks. " "Not freeing memmap.\n"); @@ -441,8 +439,7 @@ static void __init free_unused_memmap_node(int node, struct meminfo *mi) if (prev_bank_end && prev_bank_end != bank_start) free_memmap(node, prev_bank_end, bank_start); - prev_bank_end = (mi->bank[i].start + - mi->bank[i].size) >> PAGE_SHIFT; + prev_bank_end = bank_pfn_end(bank); } } @@ -487,8 +484,8 @@ void __init mem_init(void) num_physpages = 0; for (i = 0; i < meminfo.nr_banks; i++) { - num_physpages += meminfo.bank[i].size >> PAGE_SHIFT; - printk(" %ldMB", meminfo.bank[i].size >> 20); + num_physpages += bank_pfn_size(&meminfo.bank[i]); + printk(" %ldMB", bank_phys_size(&meminfo.bank[i]) >> 20); } printk(" = %luMB total\n", num_physpages >> (20 - PAGE_SHIFT)); |