diff options
Diffstat (limited to 'arch/ia64/mm')
| -rw-r--r-- | arch/ia64/mm/contig.c | 82 | ||||
| -rw-r--r-- | arch/ia64/mm/discontig.c | 68 | ||||
| -rw-r--r-- | arch/ia64/mm/fault.c | 6 | ||||
| -rw-r--r-- | arch/ia64/mm/init.c | 93 | ||||
| -rw-r--r-- | arch/ia64/mm/numa.c | 2 |
5 files changed, 61 insertions, 190 deletions
diff --git a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c index 67c59ebec89..52715a71aed 100644 --- a/arch/ia64/mm/contig.c +++ b/arch/ia64/mm/contig.c @@ -31,74 +31,6 @@ static unsigned long max_gap; #endif -/** - * show_mem - give short summary of memory stats - * - * Shows a simple page count of reserved and used pages in the system. - * For discontig machines, it does this on a per-pgdat basis. - */ -void show_mem(unsigned int filter) -{ - int i, total_reserved = 0; - int total_shared = 0, total_cached = 0; - unsigned long total_present = 0; - pg_data_t *pgdat; - - printk(KERN_INFO "Mem-info:\n"); - show_free_areas(filter); - printk(KERN_INFO "Node memory in pages:\n"); - if (filter & SHOW_MEM_FILTER_PAGE_COUNT) - return; - for_each_online_pgdat(pgdat) { - unsigned long present; - unsigned long flags; - int shared = 0, cached = 0, reserved = 0; - int nid = pgdat->node_id; - - if (skip_free_areas_node(filter, nid)) - continue; - pgdat_resize_lock(pgdat, &flags); - present = pgdat->node_present_pages; - for(i = 0; i < pgdat->node_spanned_pages; i++) { - struct page *page; - if (unlikely(i % MAX_ORDER_NR_PAGES == 0)) - touch_nmi_watchdog(); - if (pfn_valid(pgdat->node_start_pfn + i)) - page = pfn_to_page(pgdat->node_start_pfn + i); - else { -#ifdef CONFIG_VIRTUAL_MEM_MAP - if (max_gap < LARGE_GAP) - continue; -#endif - i = vmemmap_find_next_valid_pfn(nid, i) - 1; - continue; - } - if (PageReserved(page)) - reserved++; - else if (PageSwapCache(page)) - cached++; - else if (page_count(page)) - shared += page_count(page)-1; - } - pgdat_resize_unlock(pgdat, &flags); - total_present += present; - total_reserved += reserved; - total_cached += cached; - total_shared += shared; - printk(KERN_INFO "Node %4d: RAM: %11ld, rsvd: %8d, " - "shrd: %10d, swpd: %10d\n", nid, - present, reserved, shared, cached); - } - printk(KERN_INFO "%ld pages of RAM\n", total_present); - printk(KERN_INFO "%d reserved pages\n", total_reserved); - printk(KERN_INFO "%d pages shared\n", total_shared); - printk(KERN_INFO "%d pages swap cached\n", total_cached); - printk(KERN_INFO "Total of %ld pages in page table cache\n", - quicklist_total_size()); - printk(KERN_INFO "%ld free buffer pages\n", nr_free_buffer_pages()); -} - - /* physical address where the bootmem map is located */ unsigned long bootmap_start; @@ -156,8 +88,7 @@ static void *cpu_data; * * Allocate and setup per-cpu data areas. */ -void * __cpuinit -per_cpu_init (void) +void *per_cpu_init(void) { static bool first_time = true; void *cpu0_data = __cpu0_per_cpu; @@ -295,14 +226,6 @@ find_memory (void) alloc_per_cpu_data(); } -static int count_pages(u64 start, u64 end, void *arg) -{ - unsigned long *count = arg; - - *count += (end - start) >> PAGE_SHIFT; - return 0; -} - /* * Set up the page tables. */ @@ -313,9 +236,6 @@ paging_init (void) unsigned long max_dma; unsigned long max_zone_pfns[MAX_NR_ZONES]; - num_physpages = 0; - efi_memmap_walk(count_pages, &num_physpages); - memset(max_zone_pfns, 0, sizeof(max_zone_pfns)); #ifdef CONFIG_ZONE_DMA max_dma = virt_to_phys((void *) MAX_DMA_ADDRESS) >> PAGE_SHIFT; diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c index ae4db4bd6d9..87862680536 100644 --- a/arch/ia64/mm/discontig.c +++ b/arch/ia64/mm/discontig.c @@ -37,7 +37,6 @@ struct early_node_data { struct ia64_node_data *node_data; unsigned long pernode_addr; unsigned long pernode_size; - unsigned long num_physpages; #ifdef CONFIG_ZONE_DMA unsigned long num_dma_physpages; #endif @@ -593,7 +592,7 @@ void __init find_memory(void) * find_pernode_space() does most of this already, we just need to set * local_per_cpu_offset */ -void __cpuinit *per_cpu_init(void) +void *per_cpu_init(void) { int cpu; static int first_time = 1; @@ -609,69 +608,6 @@ void __cpuinit *per_cpu_init(void) #endif /* CONFIG_SMP */ /** - * show_mem - give short summary of memory stats - * - * Shows a simple page count of reserved and used pages in the system. - * For discontig machines, it does this on a per-pgdat basis. - */ -void show_mem(unsigned int filter) -{ - int i, total_reserved = 0; - int total_shared = 0, total_cached = 0; - unsigned long total_present = 0; - pg_data_t *pgdat; - - printk(KERN_INFO "Mem-info:\n"); - show_free_areas(filter); - if (filter & SHOW_MEM_FILTER_PAGE_COUNT) - return; - printk(KERN_INFO "Node memory in pages:\n"); - for_each_online_pgdat(pgdat) { - unsigned long present; - unsigned long flags; - int shared = 0, cached = 0, reserved = 0; - int nid = pgdat->node_id; - - if (skip_free_areas_node(filter, nid)) - continue; - pgdat_resize_lock(pgdat, &flags); - present = pgdat->node_present_pages; - for(i = 0; i < pgdat->node_spanned_pages; i++) { - struct page *page; - if (unlikely(i % MAX_ORDER_NR_PAGES == 0)) - touch_nmi_watchdog(); - if (pfn_valid(pgdat->node_start_pfn + i)) - page = pfn_to_page(pgdat->node_start_pfn + i); - else { - i = vmemmap_find_next_valid_pfn(nid, i) - 1; - continue; - } - if (PageReserved(page)) - reserved++; - else if (PageSwapCache(page)) - cached++; - else if (page_count(page)) - shared += page_count(page)-1; - } - pgdat_resize_unlock(pgdat, &flags); - total_present += present; - total_reserved += reserved; - total_cached += cached; - total_shared += shared; - printk(KERN_INFO "Node %4d: RAM: %11ld, rsvd: %8d, " - "shrd: %10d, swpd: %10d\n", nid, - present, reserved, shared, cached); - } - printk(KERN_INFO "%ld pages of RAM\n", total_present); - printk(KERN_INFO "%d reserved pages\n", total_reserved); - printk(KERN_INFO "%d pages shared\n", total_shared); - printk(KERN_INFO "%d pages swap cached\n", total_cached); - printk(KERN_INFO "Total of %ld pages in page table cache\n", - quicklist_total_size()); - printk(KERN_INFO "%ld free buffer pages\n", nr_free_buffer_pages()); -} - -/** * call_pernode_memory - use SRAT to call callback functions with node info * @start: physical start of range * @len: length of range @@ -732,7 +668,6 @@ static __init int count_node_pages(unsigned long start, unsigned long len, int n { unsigned long end = start + len; - mem_data[node].num_physpages += len >> PAGE_SHIFT; #ifdef CONFIG_ZONE_DMA if (start <= __pa(MAX_DMA_ADDRESS)) mem_data[node].num_dma_physpages += @@ -778,7 +713,6 @@ void __init paging_init(void) #endif for_each_online_node(node) { - num_physpages += mem_data[node].num_physpages; pfn_offset = mem_data[node].min_pfn; #ifdef CONFIG_VIRTUAL_MEM_MAP diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c index 6cf0341f978..7225dad8709 100644 --- a/arch/ia64/mm/fault.c +++ b/arch/ia64/mm/fault.c @@ -90,8 +90,6 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re mask = ((((isr >> IA64_ISR_X_BIT) & 1UL) << VM_EXEC_BIT) | (((isr >> IA64_ISR_W_BIT) & 1UL) << VM_WRITE_BIT)); - flags |= ((mask & VM_WRITE) ? FAULT_FLAG_WRITE : 0); - /* mmap_sem is performance critical.... */ prefetchw(&mm->mmap_sem); @@ -119,6 +117,10 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re if (notify_page_fault(regs, TRAP_BRKPT)) return; + if (user_mode(regs)) + flags |= FAULT_FLAG_USER; + if (mask & VM_WRITE) + flags |= FAULT_FLAG_WRITE; retry: down_read(&mm->mmap_sem); diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c index d1fe4b40260..25c350264a4 100644 --- a/arch/ia64/mm/init.c +++ b/arch/ia64/mm/init.c @@ -154,9 +154,8 @@ ia64_init_addr_space (void) void free_initmem (void) { - free_reserved_area((unsigned long)ia64_imva(__init_begin), - (unsigned long)ia64_imva(__init_end), - 0, "unused kernel"); + free_reserved_area(ia64_imva(__init_begin), ia64_imva(__init_end), + -1, "unused kernel"); } void __init @@ -358,9 +357,7 @@ int vmemmap_find_next_valid_pfn(int node, int i) end_address = (unsigned long) &vmem_map[pgdat->node_start_pfn + i]; end_address = PAGE_ALIGN(end_address); - - stop_address = (unsigned long) &vmem_map[ - pgdat->node_start_pfn + pgdat->node_spanned_pages]; + stop_address = (unsigned long) &vmem_map[pgdat_end_pfn(pgdat)]; do { pgd_t *pgd; @@ -546,19 +543,6 @@ int __init register_active_ranges(u64 start, u64 len, int nid) return 0; } -static int __init -count_reserved_pages(u64 start, u64 end, void *arg) -{ - unsigned long num_reserved = 0; - unsigned long *count = arg; - - for (; start < end; start += PAGE_SIZE) - if (PageReserved(virt_to_page(start))) - ++num_reserved; - *count += num_reserved; - return 0; -} - int find_max_min_low_pfn (u64 start, u64 end, void *arg) { @@ -597,8 +581,6 @@ __setup("nolwsys", nolwsys_setup); void __init mem_init (void) { - long reserved_pages, codesize, datasize, initsize; - pg_data_t *pgdat; int i; BUG_ON(PTRS_PER_PGD * sizeof(pgd_t) != PAGE_SIZE); @@ -616,27 +598,12 @@ mem_init (void) #ifdef CONFIG_FLATMEM BUG_ON(!mem_map); - max_mapnr = max_low_pfn; #endif + set_max_mapnr(max_low_pfn); high_memory = __va(max_low_pfn * PAGE_SIZE); - - for_each_online_pgdat(pgdat) - if (pgdat->bdata->node_bootmem_map) - totalram_pages += free_all_bootmem_node(pgdat); - - reserved_pages = 0; - efi_memmap_walk(count_reserved_pages, &reserved_pages); - - codesize = (unsigned long) _etext - (unsigned long) _stext; - datasize = (unsigned long) _edata - (unsigned long) _etext; - initsize = (unsigned long) __init_end - (unsigned long) __init_begin; - - printk(KERN_INFO "Memory: %luk/%luk available (%luk code, %luk reserved, " - "%luk data, %luk init)\n", nr_free_pages() << (PAGE_SHIFT - 10), - num_physpages << (PAGE_SHIFT - 10), codesize >> 10, - reserved_pages << (PAGE_SHIFT - 10), datasize >> 10, initsize >> 10); - + free_all_bootmem(); + mem_init_print_info(NULL); /* * For fsyscall entrpoints with no light-weight handler, use the ordinary @@ -717,3 +684,51 @@ per_linux32_init(void) } __initcall(per_linux32_init); + +/** + * show_mem - give short summary of memory stats + * + * Shows a simple page count of reserved and used pages in the system. + * For discontig machines, it does this on a per-pgdat basis. + */ +void show_mem(unsigned int filter) +{ + int total_reserved = 0; + unsigned long total_present = 0; + pg_data_t *pgdat; + + printk(KERN_INFO "Mem-info:\n"); + show_free_areas(filter); + printk(KERN_INFO "Node memory in pages:\n"); + for_each_online_pgdat(pgdat) { + unsigned long present; + unsigned long flags; + int reserved = 0; + int nid = pgdat->node_id; + int zoneid; + + if (skip_free_areas_node(filter, nid)) + continue; + pgdat_resize_lock(pgdat, &flags); + + for (zoneid = 0; zoneid < MAX_NR_ZONES; zoneid++) { + struct zone *zone = &pgdat->node_zones[zoneid]; + if (!populated_zone(zone)) + continue; + + reserved += zone->present_pages - zone->managed_pages; + } + present = pgdat->node_present_pages; + + pgdat_resize_unlock(pgdat, &flags); + total_present += present; + total_reserved += reserved; + printk(KERN_INFO "Node %4d: RAM: %11ld, rsvd: %8d, ", + nid, present, reserved); + } + printk(KERN_INFO "%ld pages of RAM\n", total_present); + printk(KERN_INFO "%d reserved pages\n", total_reserved); + printk(KERN_INFO "Total of %ld pages in page table cache\n", + quicklist_total_size()); + printk(KERN_INFO "%ld free buffer pages\n", nr_free_buffer_pages()); +} diff --git a/arch/ia64/mm/numa.c b/arch/ia64/mm/numa.c index 4248492b932..ea21d4cad54 100644 --- a/arch/ia64/mm/numa.c +++ b/arch/ia64/mm/numa.c @@ -86,7 +86,7 @@ int __meminit __early_pfn_to_nid(unsigned long pfn) return -1; } -void __cpuinit numa_clear_node(int cpu) +void numa_clear_node(int cpu) { unmap_cpu_from_node(cpu, NUMA_NO_NODE); } |
