diff options
| -rw-r--r-- | arch/ia64/mm/init.c | 1 | ||||
| -rw-r--r-- | include/linux/mm.h | 4 | ||||
| -rw-r--r-- | mm/bootmem.c | 10 | ||||
| -rw-r--r-- | mm/memory_hotplug.c | 7 | ||||
| -rw-r--r-- | mm/nobootmem.c | 3 | ||||
| -rw-r--r-- | mm/page_alloc.c | 34 |
6 files changed, 1 insertions, 58 deletions
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c index acd5b68e887..082e383c1b6 100644 --- a/arch/ia64/mm/init.c +++ b/arch/ia64/mm/init.c @@ -637,7 +637,6 @@ mem_init (void) high_memory = __va(max_low_pfn * PAGE_SIZE); - reset_zone_present_pages(); for_each_online_pgdat(pgdat) if (pgdat->bdata->node_bootmem_map) totalram_pages += free_all_bootmem_node(pgdat); diff --git a/include/linux/mm.h b/include/linux/mm.h index fa068040273..bcaab4e6fe9 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1684,9 +1684,5 @@ static inline unsigned int debug_guardpage_minorder(void) { return 0; } static inline bool page_is_guard(struct page *page) { return false; } #endif /* CONFIG_DEBUG_PAGEALLOC */ -extern void reset_zone_present_pages(void); -extern void fixup_zone_present_pages(int nid, unsigned long start_pfn, - unsigned long end_pfn); - #endif /* __KERNEL__ */ #endif /* _LINUX_MM_H */ diff --git a/mm/bootmem.c b/mm/bootmem.c index 434be4ae7a0..f468185b3b2 100644 --- a/mm/bootmem.c +++ b/mm/bootmem.c @@ -198,8 +198,6 @@ static unsigned long __init free_all_bootmem_core(bootmem_data_t *bdata) int order = ilog2(BITS_PER_LONG); __free_pages_bootmem(pfn_to_page(start), order); - fixup_zone_present_pages(page_to_nid(pfn_to_page(start)), - start, start + BITS_PER_LONG); count += BITS_PER_LONG; start += BITS_PER_LONG; } else { @@ -210,9 +208,6 @@ static unsigned long __init free_all_bootmem_core(bootmem_data_t *bdata) if (vec & 1) { page = pfn_to_page(start + off); __free_pages_bootmem(page, 0); - fixup_zone_present_pages( - page_to_nid(page), - start + off, start + off + 1); count++; } vec >>= 1; @@ -226,11 +221,8 @@ static unsigned long __init free_all_bootmem_core(bootmem_data_t *bdata) pages = bdata->node_low_pfn - bdata->node_min_pfn; pages = bootmem_bootmap_pages(pages); count += pages; - while (pages--) { - fixup_zone_present_pages(page_to_nid(page), - page_to_pfn(page), page_to_pfn(page) + 1); + while (pages--) __free_pages_bootmem(page++, 0); - } bdebug("nid=%td released=%lx\n", bdata - bootmem_node_data, count); diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 56b758ae57d..e4eeacae2b9 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -106,7 +106,6 @@ static void get_page_bootmem(unsigned long info, struct page *page, void __ref put_page_bootmem(struct page *page) { unsigned long type; - struct zone *zone; type = (unsigned long) page->lru.next; BUG_ON(type < MEMORY_HOTPLUG_MIN_BOOTMEM_TYPE || @@ -117,12 +116,6 @@ void __ref put_page_bootmem(struct page *page) set_page_private(page, 0); INIT_LIST_HEAD(&page->lru); __free_pages_bootmem(page, 0); - - zone = page_zone(page); - zone_span_writelock(zone); - zone->present_pages++; - zone_span_writeunlock(zone); - totalram_pages++; } } diff --git a/mm/nobootmem.c b/mm/nobootmem.c index 714d5d65047..bd82f6b3141 100644 --- a/mm/nobootmem.c +++ b/mm/nobootmem.c @@ -116,8 +116,6 @@ static unsigned long __init __free_memory_core(phys_addr_t start, return 0; __free_pages_memory(start_pfn, end_pfn); - fixup_zone_present_pages(pfn_to_nid(start >> PAGE_SHIFT), - start_pfn, end_pfn); return end_pfn - start_pfn; } @@ -128,7 +126,6 @@ unsigned long __init free_low_memory_core_early(int nodeid) phys_addr_t start, end, size; u64 i; - reset_zone_present_pages(); for_each_free_mem_range(i, MAX_NUMNODES, &start, &end, NULL) count += __free_memory_core(start, end); diff --git a/mm/page_alloc.c b/mm/page_alloc.c index c91598b1b4c..7bb35ac0964 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -6098,37 +6098,3 @@ void dump_page(struct page *page) dump_page_flags(page->flags); mem_cgroup_print_bad_page(page); } - -/* reset zone->present_pages */ -void reset_zone_present_pages(void) -{ - struct zone *z; - int i, nid; - - for_each_node_state(nid, N_HIGH_MEMORY) { - for (i = 0; i < MAX_NR_ZONES; i++) { - z = NODE_DATA(nid)->node_zones + i; - z->present_pages = 0; - } - } -} - -/* calculate zone's present pages in buddy system */ -void fixup_zone_present_pages(int nid, unsigned long start_pfn, - unsigned long end_pfn) -{ - struct zone *z; - unsigned long zone_start_pfn, zone_end_pfn; - int i; - - for (i = 0; i < MAX_NR_ZONES; i++) { - z = NODE_DATA(nid)->node_zones + i; - zone_start_pfn = z->zone_start_pfn; - zone_end_pfn = zone_start_pfn + z->spanned_pages; - - /* if the two regions intersect */ - if (!(zone_start_pfn >= end_pfn || zone_end_pfn <= start_pfn)) - z->present_pages += min(end_pfn, zone_end_pfn) - - max(start_pfn, zone_start_pfn); - } -} |