Lines Matching refs:zone
249 static int page_outside_zone_boundaries(struct zone *zone, struct page *page) in page_outside_zone_boundaries() argument
257 seq = zone_span_seqbegin(zone); in page_outside_zone_boundaries()
258 start_pfn = zone->zone_start_pfn; in page_outside_zone_boundaries()
259 sp = zone->spanned_pages; in page_outside_zone_boundaries()
260 if (!zone_spans_pfn(zone, pfn)) in page_outside_zone_boundaries()
262 } while (zone_span_seqretry(zone, seq)); in page_outside_zone_boundaries()
266 pfn, zone_to_nid(zone), zone->name, in page_outside_zone_boundaries()
272 static int page_is_consistent(struct zone *zone, struct page *page) in page_is_consistent() argument
276 if (zone != page_zone(page)) in page_is_consistent()
284 static int bad_range(struct zone *zone, struct page *page) in bad_range() argument
286 if (page_outside_zone_boundaries(zone, page)) in bad_range()
288 if (!page_is_consistent(zone, page)) in bad_range()
294 static inline int bad_range(struct zone *zone, struct page *page) in bad_range() argument
450 static inline void set_page_guard(struct zone *zone, struct page *page, in set_page_guard() argument
464 __mod_zone_freepage_state(zone, -(1 << order), migratetype); in set_page_guard()
467 static inline void clear_page_guard(struct zone *zone, struct page *page, in clear_page_guard() argument
480 __mod_zone_freepage_state(zone, (1 << order), migratetype); in clear_page_guard()
484 static inline void set_page_guard(struct zone *zone, struct page *page, in set_page_guard() argument
486 static inline void clear_page_guard(struct zone *zone, struct page *page, in clear_page_guard() argument
575 struct zone *zone, unsigned int order, in __free_one_page() argument
586 VM_BUG_ON(!zone_is_initialized(zone)); in __free_one_page()
591 __mod_zone_freepage_state(zone, 1 << order, migratetype); in __free_one_page()
596 VM_BUG_ON_PAGE(bad_range(zone, page), page); in __free_one_page()
609 clear_page_guard(zone, buddy, order, migratetype); in __free_one_page()
612 zone->free_area[order].nr_free--; in __free_one_page()
629 if (unlikely(has_isolate_pageblock(zone))) { in __free_one_page()
664 &zone->free_area[order].free_list[migratetype]); in __free_one_page()
669 list_add(&page->lru, &zone->free_area[order].free_list[migratetype]); in __free_one_page()
671 zone->free_area[order].nr_free++; in __free_one_page()
714 static void free_pcppages_bulk(struct zone *zone, int count, in free_pcppages_bulk() argument
722 spin_lock(&zone->lock); in free_pcppages_bulk()
723 nr_scanned = zone_page_state(zone, NR_PAGES_SCANNED); in free_pcppages_bulk()
725 __mod_zone_page_state(zone, NR_PAGES_SCANNED, -nr_scanned); in free_pcppages_bulk()
756 if (unlikely(has_isolate_pageblock(zone))) in free_pcppages_bulk()
760 __free_one_page(page, page_to_pfn(page), zone, 0, mt); in free_pcppages_bulk()
764 spin_unlock(&zone->lock); in free_pcppages_bulk()
767 static void free_one_page(struct zone *zone, in free_one_page() argument
773 spin_lock(&zone->lock); in free_one_page()
774 nr_scanned = zone_page_state(zone, NR_PAGES_SCANNED); in free_one_page()
776 __mod_zone_page_state(zone, NR_PAGES_SCANNED, -nr_scanned); in free_one_page()
778 if (unlikely(has_isolate_pageblock(zone) || in free_one_page()
782 __free_one_page(page, pfn, zone, order, migratetype); in free_one_page()
783 spin_unlock(&zone->lock); in free_one_page()
921 static inline void expand(struct zone *zone, struct page *page, in expand() argument
931 VM_BUG_ON_PAGE(bad_range(zone, &page[size]), &page[size]); in expand()
942 set_page_guard(zone, &page[size], high, migratetype); in expand()
1029 struct page *__rmqueue_smallest(struct zone *zone, unsigned int order, in __rmqueue_smallest() argument
1038 area = &(zone->free_area[current_order]); in __rmqueue_smallest()
1047 expand(zone, page, order, current_order, area, migratetype); in __rmqueue_smallest()
1074 static struct page *__rmqueue_cma_fallback(struct zone *zone, in __rmqueue_cma_fallback() argument
1077 return __rmqueue_smallest(zone, order, MIGRATE_CMA); in __rmqueue_cma_fallback()
1080 static inline struct page *__rmqueue_cma_fallback(struct zone *zone, in __rmqueue_cma_fallback() argument
1089 int move_freepages(struct zone *zone, in move_freepages() argument
1110 VM_BUG_ON_PAGE(page_to_nid(page) != zone_to_nid(zone), page); in move_freepages()
1124 &zone->free_area[order].free_list[migratetype]); in move_freepages()
1133 int move_freepages_block(struct zone *zone, struct page *page, in move_freepages_block() argument
1146 if (!zone_spans_pfn(zone, start_pfn)) in move_freepages_block()
1148 if (!zone_spans_pfn(zone, end_pfn)) in move_freepages_block()
1151 return move_freepages(zone, start_page, end_page, migratetype); in move_freepages_block()
1205 static void steal_suitable_fallback(struct zone *zone, struct page *page, in steal_suitable_fallback() argument
1217 pages = move_freepages_block(zone, page, start_type); in steal_suitable_fallback()
1264 __rmqueue_fallback(struct zone *zone, unsigned int order, int start_migratetype) in __rmqueue_fallback() argument
1276 area = &(zone->free_area[current_order]); in __rmqueue_fallback()
1285 steal_suitable_fallback(zone, page, start_migratetype); in __rmqueue_fallback()
1292 expand(zone, page, order, current_order, area, in __rmqueue_fallback()
1317 static struct page *__rmqueue(struct zone *zone, unsigned int order, in __rmqueue() argument
1323 page = __rmqueue_smallest(zone, order, migratetype); in __rmqueue()
1327 page = __rmqueue_cma_fallback(zone, order); in __rmqueue()
1330 page = __rmqueue_fallback(zone, order, migratetype); in __rmqueue()
1352 static int rmqueue_bulk(struct zone *zone, unsigned int order, in rmqueue_bulk() argument
1358 spin_lock(&zone->lock); in rmqueue_bulk()
1360 struct page *page = __rmqueue(zone, order, migratetype); in rmqueue_bulk()
1379 __mod_zone_page_state(zone, NR_FREE_CMA_PAGES, in rmqueue_bulk()
1382 __mod_zone_page_state(zone, NR_FREE_PAGES, -(i << order)); in rmqueue_bulk()
1383 spin_unlock(&zone->lock); in rmqueue_bulk()
1396 void drain_zone_pages(struct zone *zone, struct per_cpu_pages *pcp) in drain_zone_pages() argument
1405 free_pcppages_bulk(zone, to_drain, pcp); in drain_zone_pages()
1419 static void drain_pages_zone(unsigned int cpu, struct zone *zone) in drain_pages_zone() argument
1426 pset = per_cpu_ptr(zone->pageset, cpu); in drain_pages_zone()
1430 free_pcppages_bulk(zone, pcp->count, pcp); in drain_pages_zone()
1445 struct zone *zone; in drain_pages() local
1447 for_each_populated_zone(zone) { in drain_pages()
1448 drain_pages_zone(cpu, zone); in drain_pages()
1458 void drain_local_pages(struct zone *zone) in drain_local_pages() argument
1462 if (zone) in drain_local_pages()
1463 drain_pages_zone(cpu, zone); in drain_local_pages()
1479 void drain_all_pages(struct zone *zone) in drain_all_pages() argument
1497 struct zone *z; in drain_all_pages()
1500 if (zone) { in drain_all_pages()
1501 pcp = per_cpu_ptr(zone->pageset, cpu); in drain_all_pages()
1520 zone, 1); in drain_all_pages()
1525 void mark_free_pages(struct zone *zone) in mark_free_pages() argument
1532 if (zone_is_empty(zone)) in mark_free_pages()
1535 spin_lock_irqsave(&zone->lock, flags); in mark_free_pages()
1537 max_zone_pfn = zone_end_pfn(zone); in mark_free_pages()
1538 for (pfn = zone->zone_start_pfn; pfn < max_zone_pfn; pfn++) in mark_free_pages()
1547 list_for_each(curr, &zone->free_area[order].free_list[t]) { in mark_free_pages()
1555 spin_unlock_irqrestore(&zone->lock, flags); in mark_free_pages()
1565 struct zone *zone = page_zone(page); in free_hot_cold_page() local
1588 free_one_page(zone, page, pfn, 0, migratetype); in free_hot_cold_page()
1594 pcp = &this_cpu_ptr(zone->pageset)->pcp; in free_hot_cold_page()
1602 free_pcppages_bulk(zone, batch, pcp); in free_hot_cold_page()
1658 struct zone *zone; in __isolate_free_page() local
1663 zone = page_zone(page); in __isolate_free_page()
1668 watermark = low_wmark_pages(zone) + (1 << order); in __isolate_free_page()
1669 if (!zone_watermark_ok(zone, 0, watermark, 0, 0)) in __isolate_free_page()
1672 __mod_zone_freepage_state(zone, -(1UL << order), mt); in __isolate_free_page()
1677 zone->free_area[order].nr_free--; in __isolate_free_page()
1726 struct page *buffered_rmqueue(struct zone *preferred_zone, in buffered_rmqueue()
1727 struct zone *zone, unsigned int order, in buffered_rmqueue() argument
1739 pcp = &this_cpu_ptr(zone->pageset)->pcp; in buffered_rmqueue()
1742 pcp->count += rmqueue_bulk(zone, 0, in buffered_rmqueue()
1770 spin_lock_irqsave(&zone->lock, flags); in buffered_rmqueue()
1771 page = __rmqueue(zone, order, migratetype); in buffered_rmqueue()
1772 spin_unlock(&zone->lock); in buffered_rmqueue()
1775 __mod_zone_freepage_state(zone, -(1 << order), in buffered_rmqueue()
1779 __mod_zone_page_state(zone, NR_ALLOC_BATCH, -(1 << order)); in buffered_rmqueue()
1780 if (atomic_long_read(&zone->vm_stat[NR_ALLOC_BATCH]) <= 0 && in buffered_rmqueue()
1781 !test_bit(ZONE_FAIR_DEPLETED, &zone->flags)) in buffered_rmqueue()
1782 set_bit(ZONE_FAIR_DEPLETED, &zone->flags); in buffered_rmqueue()
1784 __count_zone_vm_events(PGALLOC, zone, 1 << order); in buffered_rmqueue()
1785 zone_statistics(preferred_zone, zone, gfp_flags); in buffered_rmqueue()
1788 VM_BUG_ON_PAGE(bad_range(zone, page), page); in buffered_rmqueue()
1877 static bool __zone_watermark_ok(struct zone *z, unsigned int order, in __zone_watermark_ok()
1912 bool zone_watermark_ok(struct zone *z, unsigned int order, unsigned long mark, in zone_watermark_ok()
1919 bool zone_watermark_ok_safe(struct zone *z, unsigned int order, in zone_watermark_ok_safe()
2048 static bool zone_local(struct zone *local_zone, struct zone *zone) in zone_local() argument
2050 return local_zone->node == zone->node; in zone_local()
2053 static bool zone_allows_reclaim(struct zone *local_zone, struct zone *zone) in zone_allows_reclaim() argument
2055 return node_distance(zone_to_nid(local_zone), zone_to_nid(zone)) < in zone_allows_reclaim()
2080 static bool zone_local(struct zone *local_zone, struct zone *zone) in zone_local() argument
2085 static bool zone_allows_reclaim(struct zone *local_zone, struct zone *zone) in zone_allows_reclaim() argument
2092 static void reset_alloc_batches(struct zone *preferred_zone) in reset_alloc_batches()
2094 struct zone *zone = preferred_zone->zone_pgdat->node_zones; in reset_alloc_batches() local
2097 mod_zone_page_state(zone, NR_ALLOC_BATCH, in reset_alloc_batches()
2098 high_wmark_pages(zone) - low_wmark_pages(zone) - in reset_alloc_batches()
2099 atomic_long_read(&zone->vm_stat[NR_ALLOC_BATCH])); in reset_alloc_batches()
2100 clear_bit(ZONE_FAIR_DEPLETED, &zone->flags); in reset_alloc_batches()
2101 } while (zone++ != preferred_zone); in reset_alloc_batches()
2115 struct zone *zone; in get_page_from_freelist() local
2131 for_each_zone_zonelist_nodemask(zone, z, zonelist, ac->high_zoneidx, in get_page_from_freelist()
2140 !cpuset_zone_allowed(zone, gfp_mask)) in get_page_from_freelist()
2149 if (!zone_local(ac->preferred_zone, zone)) in get_page_from_freelist()
2151 if (test_bit(ZONE_FAIR_DEPLETED, &zone->flags)) { in get_page_from_freelist()
2182 if (consider_zone_dirty && !zone_dirty_ok(zone)) in get_page_from_freelist()
2185 mark = zone->watermark[alloc_flags & ALLOC_WMARK_MASK]; in get_page_from_freelist()
2186 if (!zone_watermark_ok(zone, order, mark, in get_page_from_freelist()
2208 !zone_allows_reclaim(ac->preferred_zone, zone)) in get_page_from_freelist()
2219 ret = zone_reclaim(zone, gfp_mask, order); in get_page_from_freelist()
2229 if (zone_watermark_ok(zone, order, mark, in get_page_from_freelist()
2251 page = buffered_rmqueue(ac->preferred_zone, zone, order, in get_page_from_freelist()
2495 struct zone *zone = page_zone(page); in __alloc_pages_direct_compact() local
2497 zone->compact_blockskip_flush = false; in __alloc_pages_direct_compact()
2498 compaction_defer_reset(zone, order, true); in __alloc_pages_direct_compact()
2612 struct zone *zone; in wake_all_kswapds() local
2614 for_each_zone_zonelist_nodemask(zone, z, ac->zonelist, in wake_all_kswapds()
2616 wakeup_kswapd(zone, order, zone_idx(ac->preferred_zone)); in wake_all_kswapds()
2897 if (unlikely(!zonelist->_zonerefs->zone)) in __alloc_pages_nodemask()
3137 struct zone *zone; in nr_free_zone_pages() local
3144 for_each_zone_zonelist(zone, z, zonelist, offset) { in nr_free_zone_pages()
3145 unsigned long size = zone->managed_pages; in nr_free_zone_pages()
3146 unsigned long high = high_wmark_pages(zone); in nr_free_zone_pages()
3177 static inline void show_node(struct zone *zone) in show_node() argument
3180 printk("Node %d ", zone_to_nid(zone)); in show_node()
3282 struct zone *zone; in show_free_areas() local
3284 for_each_populated_zone(zone) { in show_free_areas()
3285 if (skip_free_areas_node(filter, zone_to_nid(zone))) in show_free_areas()
3289 free_pcp += per_cpu_ptr(zone->pageset, cpu)->pcp.count; in show_free_areas()
3318 for_each_populated_zone(zone) { in show_free_areas()
3321 if (skip_free_areas_node(filter, zone_to_nid(zone))) in show_free_areas()
3326 free_pcp += per_cpu_ptr(zone->pageset, cpu)->pcp.count; in show_free_areas()
3328 show_node(zone); in show_free_areas()
3361 zone->name, in show_free_areas()
3362 K(zone_page_state(zone, NR_FREE_PAGES)), in show_free_areas()
3363 K(min_wmark_pages(zone)), in show_free_areas()
3364 K(low_wmark_pages(zone)), in show_free_areas()
3365 K(high_wmark_pages(zone)), in show_free_areas()
3366 K(zone_page_state(zone, NR_ACTIVE_ANON)), in show_free_areas()
3367 K(zone_page_state(zone, NR_INACTIVE_ANON)), in show_free_areas()
3368 K(zone_page_state(zone, NR_ACTIVE_FILE)), in show_free_areas()
3369 K(zone_page_state(zone, NR_INACTIVE_FILE)), in show_free_areas()
3370 K(zone_page_state(zone, NR_UNEVICTABLE)), in show_free_areas()
3371 K(zone_page_state(zone, NR_ISOLATED_ANON)), in show_free_areas()
3372 K(zone_page_state(zone, NR_ISOLATED_FILE)), in show_free_areas()
3373 K(zone->present_pages), in show_free_areas()
3374 K(zone->managed_pages), in show_free_areas()
3375 K(zone_page_state(zone, NR_MLOCK)), in show_free_areas()
3376 K(zone_page_state(zone, NR_FILE_DIRTY)), in show_free_areas()
3377 K(zone_page_state(zone, NR_WRITEBACK)), in show_free_areas()
3378 K(zone_page_state(zone, NR_FILE_MAPPED)), in show_free_areas()
3379 K(zone_page_state(zone, NR_SHMEM)), in show_free_areas()
3380 K(zone_page_state(zone, NR_SLAB_RECLAIMABLE)), in show_free_areas()
3381 K(zone_page_state(zone, NR_SLAB_UNRECLAIMABLE)), in show_free_areas()
3382 zone_page_state(zone, NR_KERNEL_STACK) * in show_free_areas()
3384 K(zone_page_state(zone, NR_PAGETABLE)), in show_free_areas()
3385 K(zone_page_state(zone, NR_UNSTABLE_NFS)), in show_free_areas()
3386 K(zone_page_state(zone, NR_BOUNCE)), in show_free_areas()
3388 K(this_cpu_read(zone->pageset->pcp.count)), in show_free_areas()
3389 K(zone_page_state(zone, NR_FREE_CMA_PAGES)), in show_free_areas()
3390 K(zone_page_state(zone, NR_WRITEBACK_TEMP)), in show_free_areas()
3391 K(zone_page_state(zone, NR_PAGES_SCANNED)), in show_free_areas()
3392 (!zone_reclaimable(zone) ? "yes" : "no") in show_free_areas()
3396 printk(" %ld", zone->lowmem_reserve[i]); in show_free_areas()
3400 for_each_populated_zone(zone) { in show_free_areas()
3405 if (skip_free_areas_node(filter, zone_to_nid(zone))) in show_free_areas()
3407 show_node(zone); in show_free_areas()
3408 printk("%s: ", zone->name); in show_free_areas()
3410 spin_lock_irqsave(&zone->lock, flags); in show_free_areas()
3412 struct free_area *area = &zone->free_area[order]; in show_free_areas()
3424 spin_unlock_irqrestore(&zone->lock, flags); in show_free_areas()
3440 static void zoneref_set_zone(struct zone *zone, struct zoneref *zoneref) in zoneref_set_zone() argument
3442 zoneref->zone = zone; in zoneref_set_zone()
3443 zoneref->zone_idx = zone_idx(zone); in zoneref_set_zone()
3454 struct zone *zone; in build_zonelists_node() local
3459 zone = pgdat->node_zones + zone_type; in build_zonelists_node()
3460 if (populated_zone(zone)) { in build_zonelists_node()
3461 zoneref_set_zone(zone, in build_zonelists_node()
3658 for (j = 0; zonelist->_zonerefs[j].zone != NULL; j++) in build_zonelists_in_node_order()
3661 zonelist->_zonerefs[j].zone = NULL; in build_zonelists_in_node_order()
3675 zonelist->_zonerefs[j].zone = NULL; in build_thisnode_zonelists()
3691 struct zone *z; in build_zonelists_in_zone_order()
3707 zonelist->_zonerefs[pos].zone = NULL; in build_zonelists_in_zone_order()
3756 zonelist->_zonerefs[0].zone = NULL; in build_zonelists()
3805 for (z = zonelist->_zonerefs; z->zone; z++) in build_zonelist_cache()
3818 struct zone *zone; in local_memory_node() local
3823 &zone); in local_memory_node()
3824 return zone->node; in local_memory_node()
3865 zonelist->_zonerefs[j].zone = NULL; in build_zonelists()
3894 static void setup_zone_pageset(struct zone *zone);
3975 void __ref build_all_zonelists(pg_data_t *pgdat, struct zone *zone) in build_all_zonelists() argument
3983 if (zone) in build_all_zonelists()
3984 setup_zone_pageset(zone); in build_all_zonelists()
4102 static void setup_zone_migrate_reserve(struct zone *zone) in setup_zone_migrate_reserve() argument
4116 start_pfn = zone->zone_start_pfn; in setup_zone_migrate_reserve()
4117 end_pfn = zone_end_pfn(zone); in setup_zone_migrate_reserve()
4119 reserve = roundup(min_wmark_pages(zone), pageblock_nr_pages) >> in setup_zone_migrate_reserve()
4130 old_reserve = zone->nr_migrate_reserve_block; in setup_zone_migrate_reserve()
4135 zone->nr_migrate_reserve_block = reserve; in setup_zone_migrate_reserve()
4143 if (page_to_nid(page) != zone_to_nid(zone)) in setup_zone_migrate_reserve()
4168 move_freepages_block(zone, page, in setup_zone_migrate_reserve()
4187 move_freepages_block(zone, page, MIGRATE_MOVABLE); in setup_zone_migrate_reserve()
4197 void __meminit memmap_init_zone(unsigned long size, int nid, unsigned long zone, in memmap_init_zone() argument
4203 struct zone *z; in memmap_init_zone()
4208 z = &NODE_DATA(nid)->node_zones[zone]; in memmap_init_zone()
4222 set_page_links(page, zone, nid, pfn); in memmap_init_zone()
4223 mminit_verify_page_links(page, zone, nid, pfn); in memmap_init_zone()
4250 if (!is_highmem_idx(zone)) in memmap_init_zone()
4256 static void __meminit zone_init_free_lists(struct zone *zone) in zone_init_free_lists() argument
4260 INIT_LIST_HEAD(&zone->free_area[order].free_list[t]); in zone_init_free_lists()
4261 zone->free_area[order].nr_free = 0; in zone_init_free_lists()
4266 #define memmap_init(size, nid, zone, start_pfn) \ argument
4267 memmap_init_zone((size), (nid), (zone), (start_pfn), MEMMAP_EARLY)
4270 static int zone_batchsize(struct zone *zone) in zone_batchsize() argument
4281 batch = zone->managed_pages / 1024; in zone_batchsize()
4386 static void pageset_set_high_and_batch(struct zone *zone, in pageset_set_high_and_batch() argument
4391 (zone->managed_pages / in pageset_set_high_and_batch()
4394 pageset_set_batch(pcp, zone_batchsize(zone)); in pageset_set_high_and_batch()
4397 static void __meminit zone_pageset_init(struct zone *zone, int cpu) in zone_pageset_init() argument
4399 struct per_cpu_pageset *pcp = per_cpu_ptr(zone->pageset, cpu); in zone_pageset_init()
4402 pageset_set_high_and_batch(zone, pcp); in zone_pageset_init()
4405 static void __meminit setup_zone_pageset(struct zone *zone) in setup_zone_pageset() argument
4408 zone->pageset = alloc_percpu(struct per_cpu_pageset); in setup_zone_pageset()
4410 zone_pageset_init(zone, cpu); in setup_zone_pageset()
4419 struct zone *zone; in setup_per_cpu_pageset() local
4421 for_each_populated_zone(zone) in setup_per_cpu_pageset()
4422 setup_zone_pageset(zone); in setup_per_cpu_pageset()
4426 int zone_wait_table_init(struct zone *zone, unsigned long zone_size_pages) in zone_wait_table_init() argument
4435 zone->wait_table_hash_nr_entries = in zone_wait_table_init()
4437 zone->wait_table_bits = in zone_wait_table_init()
4438 wait_table_bits(zone->wait_table_hash_nr_entries); in zone_wait_table_init()
4439 alloc_size = zone->wait_table_hash_nr_entries in zone_wait_table_init()
4443 zone->wait_table = (wait_queue_head_t *) in zone_wait_table_init()
4445 alloc_size, zone->zone_pgdat->node_id); in zone_wait_table_init()
4457 zone->wait_table = vmalloc(alloc_size); in zone_wait_table_init()
4459 if (!zone->wait_table) in zone_wait_table_init()
4462 for (i = 0; i < zone->wait_table_hash_nr_entries; ++i) in zone_wait_table_init()
4463 init_waitqueue_head(zone->wait_table + i); in zone_wait_table_init()
4468 static __meminit void zone_pcp_init(struct zone *zone) in zone_pcp_init() argument
4475 zone->pageset = &boot_pageset; in zone_pcp_init()
4477 if (populated_zone(zone)) in zone_pcp_init()
4479 zone->name, zone->present_pages, in zone_pcp_init()
4480 zone_batchsize(zone)); in zone_pcp_init()
4483 int __meminit init_currently_empty_zone(struct zone *zone, in init_currently_empty_zone() argument
4488 struct pglist_data *pgdat = zone->zone_pgdat; in init_currently_empty_zone()
4490 ret = zone_wait_table_init(zone, size); in init_currently_empty_zone()
4493 pgdat->nr_zones = zone_idx(zone) + 1; in init_currently_empty_zone()
4495 zone->zone_start_pfn = zone_start_pfn; in init_currently_empty_zone()
4500 (unsigned long)zone_idx(zone), in init_currently_empty_zone()
4503 zone_init_free_lists(zone); in init_currently_empty_zone()
4845 struct zone *zone, in setup_usemap() argument
4850 zone->pageblock_flags = NULL; in setup_usemap()
4852 zone->pageblock_flags = in setup_usemap()
4857 static inline void setup_usemap(struct pglist_data *pgdat, struct zone *zone, in setup_usemap() argument
4946 struct zone *zone = pgdat->node_zones + j; in free_area_init_core() local
4989 zone->spanned_pages = size; in free_area_init_core()
4990 zone->present_pages = realsize; in free_area_init_core()
4996 zone->managed_pages = is_highmem_idx(j) ? realsize : freesize; in free_area_init_core()
4998 zone->node = nid; in free_area_init_core()
4999 zone->min_unmapped_pages = (freesize*sysctl_min_unmapped_ratio) in free_area_init_core()
5001 zone->min_slab_pages = (freesize * sysctl_min_slab_ratio) / 100; in free_area_init_core()
5003 zone->name = zone_names[j]; in free_area_init_core()
5004 spin_lock_init(&zone->lock); in free_area_init_core()
5005 spin_lock_init(&zone->lru_lock); in free_area_init_core()
5006 zone_seqlock_init(zone); in free_area_init_core()
5007 zone->zone_pgdat = pgdat; in free_area_init_core()
5008 zone_pcp_init(zone); in free_area_init_core()
5011 mod_zone_page_state(zone, NR_ALLOC_BATCH, zone->managed_pages); in free_area_init_core()
5013 lruvec_init(&zone->lruvec); in free_area_init_core()
5018 setup_usemap(pgdat, zone, zone_start_pfn, size); in free_area_init_core()
5019 ret = init_currently_empty_zone(zone, zone_start_pfn, in free_area_init_core()
5395 struct zone *zone = &pgdat->node_zones[zone_type]; in check_for_memory() local
5396 if (populated_zone(zone)) { in check_for_memory()
5697 struct zone *zone = pgdat->node_zones + i; in calculate_totalreserve_pages() local
5702 if (zone->lowmem_reserve[j] > max) in calculate_totalreserve_pages()
5703 max = zone->lowmem_reserve[j]; in calculate_totalreserve_pages()
5707 max += high_wmark_pages(zone); in calculate_totalreserve_pages()
5709 if (max > zone->managed_pages) in calculate_totalreserve_pages()
5710 max = zone->managed_pages; in calculate_totalreserve_pages()
5721 zone->dirty_balance_reserve = max; in calculate_totalreserve_pages()
5741 struct zone *zone = pgdat->node_zones + j; in setup_per_zone_lowmem_reserve() local
5742 unsigned long managed_pages = zone->managed_pages; in setup_per_zone_lowmem_reserve()
5744 zone->lowmem_reserve[j] = 0; in setup_per_zone_lowmem_reserve()
5748 struct zone *lower_zone; in setup_per_zone_lowmem_reserve()
5771 struct zone *zone; in __setup_per_zone_wmarks() local
5775 for_each_zone(zone) { in __setup_per_zone_wmarks()
5776 if (!is_highmem(zone)) in __setup_per_zone_wmarks()
5777 lowmem_pages += zone->managed_pages; in __setup_per_zone_wmarks()
5780 for_each_zone(zone) { in __setup_per_zone_wmarks()
5783 spin_lock_irqsave(&zone->lock, flags); in __setup_per_zone_wmarks()
5784 tmp = (u64)pages_min * zone->managed_pages; in __setup_per_zone_wmarks()
5786 if (is_highmem(zone)) { in __setup_per_zone_wmarks()
5798 min_pages = zone->managed_pages / 1024; in __setup_per_zone_wmarks()
5800 zone->watermark[WMARK_MIN] = min_pages; in __setup_per_zone_wmarks()
5806 zone->watermark[WMARK_MIN] = tmp; in __setup_per_zone_wmarks()
5809 zone->watermark[WMARK_LOW] = min_wmark_pages(zone) + (tmp >> 2); in __setup_per_zone_wmarks()
5810 zone->watermark[WMARK_HIGH] = min_wmark_pages(zone) + (tmp >> 1); in __setup_per_zone_wmarks()
5812 __mod_zone_page_state(zone, NR_ALLOC_BATCH, in __setup_per_zone_wmarks()
5813 high_wmark_pages(zone) - low_wmark_pages(zone) - in __setup_per_zone_wmarks()
5814 atomic_long_read(&zone->vm_stat[NR_ALLOC_BATCH])); in __setup_per_zone_wmarks()
5816 setup_zone_migrate_reserve(zone); in __setup_per_zone_wmarks()
5817 spin_unlock_irqrestore(&zone->lock, flags); in __setup_per_zone_wmarks()
5859 static void __meminit calculate_zone_inactive_ratio(struct zone *zone) in calculate_zone_inactive_ratio() argument
5864 gb = zone->managed_pages >> (30 - PAGE_SHIFT); in calculate_zone_inactive_ratio()
5870 zone->inactive_ratio = ratio; in calculate_zone_inactive_ratio()
5875 struct zone *zone; in setup_per_zone_inactive_ratio() local
5877 for_each_zone(zone) in setup_per_zone_inactive_ratio()
5878 calculate_zone_inactive_ratio(zone); in setup_per_zone_inactive_ratio()
5956 struct zone *zone; in sysctl_min_unmapped_ratio_sysctl_handler() local
5963 for_each_zone(zone) in sysctl_min_unmapped_ratio_sysctl_handler()
5964 zone->min_unmapped_pages = (zone->managed_pages * in sysctl_min_unmapped_ratio_sysctl_handler()
5972 struct zone *zone; in sysctl_min_slab_ratio_sysctl_handler() local
5979 for_each_zone(zone) in sysctl_min_slab_ratio_sysctl_handler()
5980 zone->min_slab_pages = (zone->managed_pages * in sysctl_min_slab_ratio_sysctl_handler()
6011 struct zone *zone; in percpu_pagelist_fraction_sysctl_handler() local
6034 for_each_populated_zone(zone) { in percpu_pagelist_fraction_sysctl_handler()
6038 pageset_set_high_and_batch(zone, in percpu_pagelist_fraction_sysctl_handler()
6039 per_cpu_ptr(zone->pageset, cpu)); in percpu_pagelist_fraction_sysctl_handler()
6158 static inline unsigned long *get_pageblock_bitmap(struct zone *zone, in get_pageblock_bitmap() argument
6164 return zone->pageblock_flags; in get_pageblock_bitmap()
6168 static inline int pfn_to_bitidx(struct zone *zone, unsigned long pfn) in pfn_to_bitidx() argument
6174 pfn = pfn - round_down(zone->zone_start_pfn, pageblock_nr_pages); in pfn_to_bitidx()
6192 struct zone *zone; in get_pfnblock_flags_mask() local
6197 zone = page_zone(page); in get_pfnblock_flags_mask()
6198 bitmap = get_pageblock_bitmap(zone, pfn); in get_pfnblock_flags_mask()
6199 bitidx = pfn_to_bitidx(zone, pfn); in get_pfnblock_flags_mask()
6221 struct zone *zone; in set_pfnblock_flags_mask() local
6228 zone = page_zone(page); in set_pfnblock_flags_mask()
6229 bitmap = get_pageblock_bitmap(zone, pfn); in set_pfnblock_flags_mask()
6230 bitidx = pfn_to_bitidx(zone, pfn); in set_pfnblock_flags_mask()
6234 VM_BUG_ON_PAGE(!zone_spans_pfn(zone, pfn), page); in set_pfnblock_flags_mask()
6257 bool has_unmovable_pages(struct zone *zone, struct page *page, int count, in has_unmovable_pages() argument
6267 if (zone_idx(zone) == ZONE_MOVABLE) in has_unmovable_pages()
6334 struct zone *zone; in is_pageblock_removable_nolock() local
6347 zone = page_zone(page); in is_pageblock_removable_nolock()
6349 if (!zone_spans_pfn(zone, pfn)) in is_pageblock_removable_nolock()
6352 return !has_unmovable_pages(zone, page, 0, true); in is_pageblock_removable_nolock()
6400 nr_reclaimed = reclaim_clean_pages_from_list(cc->zone, in __alloc_contig_migrate_range()
6444 .zone = page_zone(pfn_to_page(start)), in alloc_contig_range()
6502 drain_all_pages(cc.zone); in alloc_contig_range()
6560 void __meminit zone_pcp_update(struct zone *zone) in zone_pcp_update() argument
6565 pageset_set_high_and_batch(zone, in zone_pcp_update()
6566 per_cpu_ptr(zone->pageset, cpu)); in zone_pcp_update()
6571 void zone_pcp_reset(struct zone *zone) in zone_pcp_reset() argument
6579 if (zone->pageset != &boot_pageset) { in zone_pcp_reset()
6581 pset = per_cpu_ptr(zone->pageset, cpu); in zone_pcp_reset()
6582 drain_zonestat(zone, pset); in zone_pcp_reset()
6584 free_percpu(zone->pageset); in zone_pcp_reset()
6585 zone->pageset = &boot_pageset; in zone_pcp_reset()
6598 struct zone *zone; in __offline_isolated_pages() local
6608 zone = page_zone(pfn_to_page(pfn)); in __offline_isolated_pages()
6609 spin_lock_irqsave(&zone->lock, flags); in __offline_isolated_pages()
6636 zone->free_area[order].nr_free--; in __offline_isolated_pages()
6641 spin_unlock_irqrestore(&zone->lock, flags); in __offline_isolated_pages()
6648 struct zone *zone = page_zone(page); in is_free_buddy_page() local
6653 spin_lock_irqsave(&zone->lock, flags); in is_free_buddy_page()
6660 spin_unlock_irqrestore(&zone->lock, flags); in is_free_buddy_page()