Lines Matching refs:order
270 static void __free_pages_ok(struct page *page, unsigned int order,
659 static inline unsigned int order_to_pindex(int migratetype, int order) in order_to_pindex() argument
661 int base = order; in order_to_pindex()
664 if (order > PAGE_ALLOC_COSTLY_ORDER) { in order_to_pindex()
665 VM_BUG_ON(order != pageblock_order); in order_to_pindex()
669 VM_BUG_ON(order > PAGE_ALLOC_COSTLY_ORDER); in order_to_pindex()
677 int order = pindex / MIGRATE_PCPTYPES; in pindex_to_order() local
680 if (order > PAGE_ALLOC_COSTLY_ORDER) in pindex_to_order()
681 order = pageblock_order; in pindex_to_order()
683 VM_BUG_ON(order > PAGE_ALLOC_COSTLY_ORDER); in pindex_to_order()
686 return order; in pindex_to_order()
689 static inline bool pcp_allowed_order(unsigned int order) in pcp_allowed_order() argument
691 if (order <= PAGE_ALLOC_COSTLY_ORDER) in pcp_allowed_order()
694 if (order == pageblock_order) in pcp_allowed_order()
700 static inline void free_the_page(struct page *page, unsigned int order) in free_the_page() argument
702 if (pcp_allowed_order(order)) /* Via pcp? */ in free_the_page()
703 free_unref_page(page, order); in free_the_page()
705 __free_pages_ok(page, order, FPI_NONE); in free_the_page()
729 void prep_compound_page(struct page *page, unsigned int order) in prep_compound_page() argument
732 int nr_pages = 1 << order; in prep_compound_page()
742 set_compound_order(page, order); in prep_compound_page()
780 unsigned int order, int migratetype) in set_page_guard() argument
785 if (order >= debug_guardpage_minorder()) in set_page_guard()
790 set_page_private(page, order); in set_page_guard()
792 __mod_zone_freepage_state(zone, -(1 << order), migratetype); in set_page_guard()
798 unsigned int order, int migratetype) in clear_page_guard() argument
807 __mod_zone_freepage_state(zone, (1 << order), migratetype); in clear_page_guard()
811 unsigned int order, int migratetype) { return false; } in set_page_guard() argument
813 unsigned int order, int migratetype) {} in clear_page_guard() argument
870 static inline void set_buddy_order(struct page *page, unsigned int order) in set_buddy_order() argument
872 set_page_private(page, order); in set_buddy_order()
890 unsigned int order) in page_is_buddy() argument
895 if (buddy_order(buddy) != order) in page_is_buddy()
923 int order, int migratetype) in compaction_capture() argument
925 if (!capc || order != capc->cc->order) in compaction_capture()
939 if (order < pageblock_order && migratetype == MIGRATE_MOVABLE) in compaction_capture()
954 int order, int migratetype) in compaction_capture() argument
962 unsigned int order, int migratetype) in add_to_free_list() argument
964 struct free_area *area = &zone->free_area[order]; in add_to_free_list()
972 unsigned int order, int migratetype) in add_to_free_list_tail() argument
974 struct free_area *area = &zone->free_area[order]; in add_to_free_list_tail()
986 unsigned int order, int migratetype) in move_to_free_list() argument
988 struct free_area *area = &zone->free_area[order]; in move_to_free_list()
994 unsigned int order) in del_page_from_free_list() argument
1003 zone->free_area[order].nr_free--; in del_page_from_free_list()
1016 struct page *page, unsigned int order) in buddy_merge_likely() argument
1021 if (order >= MAX_ORDER - 2) in buddy_merge_likely()
1026 buddy_pfn = __find_buddy_pfn(combined_pfn, order + 1); in buddy_merge_likely()
1029 return page_is_buddy(higher_page, higher_buddy, order + 1); in buddy_merge_likely()
1058 struct zone *zone, unsigned int order, in __free_one_page() argument
1075 __mod_zone_freepage_state(zone, 1 << order, migratetype); in __free_one_page()
1077 VM_BUG_ON_PAGE(pfn & ((1 << order) - 1), page); in __free_one_page()
1081 while (order < max_order) { in __free_one_page()
1082 if (compaction_capture(capc, page, order, migratetype)) { in __free_one_page()
1083 __mod_zone_freepage_state(zone, -(1 << order), in __free_one_page()
1087 buddy_pfn = __find_buddy_pfn(pfn, order); in __free_one_page()
1090 if (!page_is_buddy(page, buddy, order)) in __free_one_page()
1097 clear_page_guard(zone, buddy, order, migratetype); in __free_one_page()
1099 del_page_from_free_list(buddy, zone, order); in __free_one_page()
1103 order++; in __free_one_page()
1105 if (order < MAX_ORDER - 1) { in __free_one_page()
1117 buddy_pfn = __find_buddy_pfn(pfn, order); in __free_one_page()
1126 max_order = order + 1; in __free_one_page()
1131 set_buddy_order(page, order); in __free_one_page()
1135 else if (is_shuffle_order(order)) in __free_one_page()
1138 to_tail = buddy_merge_likely(pfn, buddy_pfn, page, order); in __free_one_page()
1141 add_to_free_list_tail(page, zone, order, migratetype); in __free_one_page()
1143 add_to_free_list(page, zone, order, migratetype); in __free_one_page()
1147 page_reporting_notify_free(order); in __free_one_page()
1283 unsigned int order, bool check_free, fpi_t fpi_flags) in free_pages_prepare() argument
1290 trace_mm_page_free(page, order); in free_pages_prepare()
1292 if (unlikely(PageHWPoison(page)) && !order) { in free_pages_prepare()
1298 __memcg_kmem_uncharge_page(page, order); in free_pages_prepare()
1299 reset_page_owner(page, order); in free_pages_prepare()
1307 if (unlikely(order)) { in free_pages_prepare()
1311 VM_BUG_ON_PAGE(compound && compound_order(page) != order, page); in free_pages_prepare()
1317 for (i = 1; i < (1 << order); i++) { in free_pages_prepare()
1330 __memcg_kmem_uncharge_page(page, order); in free_pages_prepare()
1338 reset_page_owner(page, order); in free_pages_prepare()
1342 PAGE_SIZE << order); in free_pages_prepare()
1344 PAGE_SIZE << order); in free_pages_prepare()
1347 kernel_poison_pages(page, 1 << order); in free_pages_prepare()
1359 kasan_free_pages(page, order); in free_pages_prepare()
1364 kernel_init_free_pages(page, 1 << order, false); in free_pages_prepare()
1366 kasan_poison_pages(page, order, init); in free_pages_prepare()
1374 arch_free_page(page, order); in free_pages_prepare()
1376 debug_pagealloc_unmap_pages(page, 1 << order); in free_pages_prepare()
1387 static bool free_pcp_prepare(struct page *page, unsigned int order) in free_pcp_prepare() argument
1389 return free_pages_prepare(page, order, true, FPI_NONE); in free_pcp_prepare()
1406 static bool free_pcp_prepare(struct page *page, unsigned int order) in free_pcp_prepare() argument
1409 return free_pages_prepare(page, order, true, FPI_NONE); in free_pcp_prepare()
1411 return free_pages_prepare(page, order, false, FPI_NONE); in free_pcp_prepare()
1440 unsigned int order; in free_pcppages_bulk() local
1472 order = pindex_to_order(pindex); in free_pcppages_bulk()
1478 nr_freed += 1 << order; in free_pcppages_bulk()
1479 count -= 1 << order; in free_pcppages_bulk()
1486 page->index |= order; in free_pcppages_bulk()
1522 order = mt & NR_PCP_ORDER_MASK; in free_pcppages_bulk()
1531 __free_one_page(page, page_to_pfn(page), zone, order, mt, FPI_NONE); in free_pcppages_bulk()
1532 trace_mm_page_pcpu_drain(page, order, mt); in free_pcppages_bulk()
1539 unsigned int order, in free_one_page() argument
1549 __free_one_page(page, pfn, zone, order, migratetype, fpi_flags); in free_one_page()
1627 static void __free_pages_ok(struct page *page, unsigned int order, in __free_pages_ok() argument
1635 if (!free_pages_prepare(page, order, true, fpi_flags)) in __free_pages_ok()
1645 __free_one_page(page, pfn, zone, order, migratetype, fpi_flags); in __free_pages_ok()
1648 __count_vm_events(PGFREE, 1 << order); in __free_pages_ok()
1651 void __free_pages_core(struct page *page, unsigned int order) in __free_pages_core() argument
1653 unsigned int nr_pages = 1 << order; in __free_pages_core()
1677 __free_pages_ok(page, order, FPI_TO_TAIL | FPI_SKIP_KASAN_POISON); in __free_pages_core()
1733 unsigned int order) in memblock_free_pages() argument
1737 __free_pages_core(page, order); in memblock_free_pages()
2123 deferred_grow_zone(struct zone *zone, unsigned int order) in deferred_grow_zone() argument
2125 unsigned long nr_pages_needed = ALIGN(1 << order, PAGES_PER_SECTION); in deferred_grow_zone()
2190 _deferred_grow_zone(struct zone *zone, unsigned int order) in _deferred_grow_zone() argument
2192 return deferred_grow_zone(zone, order); in _deferred_grow_zone()
2367 static bool check_new_pages(struct page *page, unsigned int order) in check_new_pages() argument
2370 for (i = 0; i < (1 << order); i++) { in check_new_pages()
2380 inline void post_alloc_hook(struct page *page, unsigned int order, in post_alloc_hook() argument
2386 arch_alloc_page(page, order); in post_alloc_hook()
2387 debug_pagealloc_map_pages(page, 1 << order); in post_alloc_hook()
2394 kernel_unpoison_pages(page, 1 << order); in post_alloc_hook()
2402 kasan_alloc_pages(page, order, gfp_flags); in post_alloc_hook()
2406 kasan_unpoison_pages(page, order, init); in post_alloc_hook()
2408 kernel_init_free_pages(page, 1 << order, in post_alloc_hook()
2412 set_page_owner(page, order, gfp_flags); in post_alloc_hook()
2415 static void prep_new_page(struct page *page, unsigned int order, gfp_t gfp_flags, in prep_new_page() argument
2418 post_alloc_hook(page, order, gfp_flags); in prep_new_page()
2420 if (order && (gfp_flags & __GFP_COMP)) in prep_new_page()
2421 prep_compound_page(page, order); in prep_new_page()
2440 struct page *__rmqueue_smallest(struct zone *zone, unsigned int order, in __rmqueue_smallest() argument
2448 for (current_order = order; current_order < MAX_ORDER; ++current_order) { in __rmqueue_smallest()
2454 expand(zone, page, order, current_order, migratetype); in __rmqueue_smallest()
2481 unsigned int order) in __rmqueue_cma_fallback() argument
2483 return __rmqueue_smallest(zone, order, MIGRATE_CMA); in __rmqueue_cma_fallback()
2487 unsigned int order) { return NULL; } in __rmqueue_cma_fallback() argument
2501 unsigned int order; in move_freepages() local
2523 order = buddy_order(page); in move_freepages()
2524 move_to_free_list(page, zone, order, migratetype); in move_freepages()
2525 pfn += 1 << order; in move_freepages()
2526 pages_moved += 1 << order; in move_freepages()
2577 static bool can_steal_fallback(unsigned int order, int start_mt) in can_steal_fallback() argument
2586 if (order >= pageblock_order) in can_steal_fallback()
2589 if (order >= pageblock_order / 2 || in can_steal_fallback()
2725 int find_suitable_fallback(struct free_area *area, unsigned int order, in find_suitable_fallback() argument
2743 if (can_steal_fallback(order, migratetype)) in find_suitable_fallback()
2810 int order; in unreserve_highatomic_pageblock() local
2824 for (order = 0; order < MAX_ORDER; order++) { in unreserve_highatomic_pageblock()
2825 struct free_area *area = &(zone->free_area[order]); in unreserve_highatomic_pageblock()
2885 __rmqueue_fallback(struct zone *zone, int order, int start_migratetype, in __rmqueue_fallback() argument
2890 int min_order = order; in __rmqueue_fallback()
2925 && current_order > order) in __rmqueue_fallback()
2934 for (current_order = order; current_order < MAX_ORDER; in __rmqueue_fallback()
2955 trace_mm_page_alloc_extfrag(page, order, current_order, in __rmqueue_fallback()
2967 __rmqueue(struct zone *zone, unsigned int order, int migratetype, in __rmqueue() argument
2981 page = __rmqueue_cma_fallback(zone, order); in __rmqueue()
2987 page = __rmqueue_smallest(zone, order, migratetype); in __rmqueue()
2990 page = __rmqueue_cma_fallback(zone, order); in __rmqueue()
2992 if (!page && __rmqueue_fallback(zone, order, migratetype, in __rmqueue()
2998 trace_mm_page_alloc_zone_locked(page, order, migratetype); in __rmqueue()
3007 static int rmqueue_bulk(struct zone *zone, unsigned int order, in rmqueue_bulk() argument
3019 struct page *page = __rmqueue(zone, order, migratetype, in rmqueue_bulk()
3041 -(1 << order)); in rmqueue_bulk()
3050 __mod_zone_page_state(zone, NR_FREE_PAGES, -(i << order)); in rmqueue_bulk()
3260 unsigned int order, t; in mark_free_pages() local
3285 for_each_migratetype_order(order, t) { in mark_free_pages()
3287 &zone->free_area[order].free_list[t], lru) { in mark_free_pages()
3291 for (i = 0; i < (1UL << order); i++) { in mark_free_pages()
3305 unsigned int order) in free_unref_page_prepare() argument
3309 if (!free_pcp_prepare(page, order)) in free_unref_page_prepare()
3359 int migratetype, unsigned int order) in free_unref_page_commit() argument
3368 pindex = order_to_pindex(migratetype, order); in free_unref_page_commit()
3370 pcp->count += 1 << order; in free_unref_page_commit()
3382 void free_unref_page(struct page *page, unsigned int order) in free_unref_page() argument
3388 if (!free_unref_page_prepare(page, pfn, order)) in free_unref_page()
3401 free_one_page(page_zone(page), page, pfn, order, migratetype, FPI_NONE); in free_unref_page()
3408 free_unref_page_commit(page, pfn, migratetype, order); in free_unref_page()
3481 void split_page(struct page *page, unsigned int order) in split_page() argument
3488 for (i = 1; i < (1 << order); i++) in split_page()
3490 split_page_owner(page, 1 << order); in split_page()
3491 split_page_memcg(page, 1 << order); in split_page()
3495 int __isolate_free_page(struct page *page, unsigned int order) in __isolate_free_page() argument
3513 watermark = zone->_watermark[WMARK_MIN] + (1UL << order); in __isolate_free_page()
3517 __mod_zone_freepage_state(zone, -(1UL << order), mt); in __isolate_free_page()
3522 del_page_from_free_list(page, zone, order); in __isolate_free_page()
3528 if (order >= pageblock_order - 1) { in __isolate_free_page()
3529 struct page *endpage = page + (1 << order) - 1; in __isolate_free_page()
3540 return 1UL << order; in __isolate_free_page()
3552 void __putback_isolated_page(struct page *page, unsigned int order, int mt) in __putback_isolated_page() argument
3560 __free_one_page(page, page_to_pfn(page), zone, order, mt, in __putback_isolated_page()
3594 struct page *__rmqueue_pcplist(struct zone *zone, unsigned int order, in __rmqueue_pcplist() argument
3615 batch = max(batch >> order, 2); in __rmqueue_pcplist()
3616 alloced = rmqueue_bulk(zone, order, in __rmqueue_pcplist()
3620 pcp->count += alloced << order; in __rmqueue_pcplist()
3627 pcp->count -= 1 << order; in __rmqueue_pcplist()
3635 struct zone *zone, unsigned int order, in rmqueue_pcplist() argument
3653 list = &pcp->lists[order_to_pindex(migratetype, order)]; in rmqueue_pcplist()
3654 page = __rmqueue_pcplist(zone, order, migratetype, alloc_flags, pcp, list); in rmqueue_pcplist()
3668 struct zone *zone, unsigned int order, in rmqueue() argument
3675 if (likely(pcp_allowed_order(order))) { in rmqueue()
3682 page = rmqueue_pcplist(preferred_zone, zone, order, in rmqueue()
3692 WARN_ON_ONCE((gfp_flags & __GFP_NOFAIL) && (order > 1)); in rmqueue()
3703 if (order > 0 && alloc_flags & ALLOC_HARDER) { in rmqueue()
3704 page = __rmqueue_smallest(zone, order, MIGRATE_HIGHATOMIC); in rmqueue()
3706 trace_mm_page_alloc_zone_locked(page, order, migratetype); in rmqueue()
3709 page = __rmqueue(zone, order, migratetype, alloc_flags); in rmqueue()
3710 } while (page && check_new_pages(page, order)); in rmqueue()
3714 __mod_zone_freepage_state(zone, -(1 << order), in rmqueue()
3718 __count_zid_vm_events(PGALLOC, page_zonenum(page), 1 << order); in rmqueue()
3757 static bool __should_fail_alloc_page(gfp_t gfp_mask, unsigned int order) in __should_fail_alloc_page() argument
3759 if (order < fail_page_alloc.min_order) in __should_fail_alloc_page()
3769 return should_fail(&fail_page_alloc.attr, 1 << order); in __should_fail_alloc_page()
3797 static inline bool __should_fail_alloc_page(gfp_t gfp_mask, unsigned int order) in __should_fail_alloc_page() argument
3804 noinline bool should_fail_alloc_page(gfp_t gfp_mask, unsigned int order) in should_fail_alloc_page() argument
3806 return __should_fail_alloc_page(gfp_mask, order); in should_fail_alloc_page()
3811 unsigned int order, unsigned int alloc_flags) in __zone_watermark_unusable_free() argument
3814 long unusable_free = (1 << order) - 1; in __zone_watermark_unusable_free()
3839 bool __zone_watermark_ok(struct zone *z, unsigned int order, unsigned long mark, in __zone_watermark_ok() argument
3848 free_pages -= __zone_watermark_unusable_free(z, order, alloc_flags); in __zone_watermark_ok()
3875 if (!order) in __zone_watermark_ok()
3879 for (o = order; o < MAX_ORDER; o++) { in __zone_watermark_ok()
3903 bool zone_watermark_ok(struct zone *z, unsigned int order, unsigned long mark, in zone_watermark_ok() argument
3906 return __zone_watermark_ok(z, order, mark, highest_zoneidx, alloc_flags, in zone_watermark_ok()
3910 static inline bool zone_watermark_fast(struct zone *z, unsigned int order, in zone_watermark_fast() argument
3922 if (!order) { in zone_watermark_fast()
3931 if (__zone_watermark_ok(z, order, mark, highest_zoneidx, alloc_flags, in zone_watermark_fast()
3940 if (unlikely(!order && (gfp_mask & __GFP_ATOMIC) && z->watermark_boost in zone_watermark_fast()
3943 return __zone_watermark_ok(z, order, mark, highest_zoneidx, in zone_watermark_fast()
3950 bool zone_watermark_ok_safe(struct zone *z, unsigned int order, in zone_watermark_ok_safe() argument
3958 return __zone_watermark_ok(z, order, mark, highest_zoneidx, 0, in zone_watermark_ok_safe()
4033 get_page_from_freelist(gfp_t gfp_mask, unsigned int order, int alloc_flags, in get_page_from_freelist() argument
4103 if (!zone_watermark_fast(zone, order, mark, in get_page_from_freelist()
4114 if (_deferred_grow_zone(zone, order)) in get_page_from_freelist()
4127 ret = node_reclaim(zone->zone_pgdat, gfp_mask, order); in get_page_from_freelist()
4137 if (zone_watermark_ok(zone, order, mark, in get_page_from_freelist()
4146 page = rmqueue(ac->preferred_zoneref->zone, zone, order, in get_page_from_freelist()
4149 prep_new_page(page, order, gfp_mask, alloc_flags); in get_page_from_freelist()
4155 if (unlikely(order && (alloc_flags & ALLOC_HARDER))) in get_page_from_freelist()
4156 reserve_highatomic_pageblock(page, zone, order); in get_page_from_freelist()
4163 if (_deferred_grow_zone(zone, order)) in get_page_from_freelist()
4225 __alloc_pages_cpuset_fallback(gfp_t gfp_mask, unsigned int order, in __alloc_pages_cpuset_fallback() argument
4231 page = get_page_from_freelist(gfp_mask, order, in __alloc_pages_cpuset_fallback()
4238 page = get_page_from_freelist(gfp_mask, order, in __alloc_pages_cpuset_fallback()
4245 __alloc_pages_may_oom(gfp_t gfp_mask, unsigned int order, in __alloc_pages_may_oom() argument
4253 .order = order, in __alloc_pages_may_oom()
4277 ~__GFP_DIRECT_RECLAIM, order, in __alloc_pages_may_oom()
4286 if (order > PAGE_ALLOC_COSTLY_ORDER) in __alloc_pages_may_oom()
4322 page = __alloc_pages_cpuset_fallback(gfp_mask, order, in __alloc_pages_may_oom()
4339 __alloc_pages_direct_compact(gfp_t gfp_mask, unsigned int order, in __alloc_pages_direct_compact() argument
4347 if (!order) in __alloc_pages_direct_compact()
4353 *compact_result = try_to_compact_pages(gfp_mask, order, alloc_flags, ac, in __alloc_pages_direct_compact()
4369 prep_new_page(page, order, gfp_mask, alloc_flags); in __alloc_pages_direct_compact()
4373 page = get_page_from_freelist(gfp_mask, order, alloc_flags, ac); in __alloc_pages_direct_compact()
4379 compaction_defer_reset(zone, order, true); in __alloc_pages_direct_compact()
4396 should_compact_retry(struct alloc_context *ac, int order, int alloc_flags, in should_compact_retry() argument
4407 if (!order) in should_compact_retry()
4429 ret = compaction_zonelist_suitable(ac, order, alloc_flags); in should_compact_retry()
4451 if (order > PAGE_ALLOC_COSTLY_ORDER) in should_compact_retry()
4463 min_priority = (order > PAGE_ALLOC_COSTLY_ORDER) ? in should_compact_retry()
4472 trace_compact_retry(order, priority, compact_result, retries, max_retries, ret); in should_compact_retry()
4477 __alloc_pages_direct_compact(gfp_t gfp_mask, unsigned int order, in __alloc_pages_direct_compact() argument
4486 should_compact_retry(struct alloc_context *ac, unsigned int order, int alloc_flags, in should_compact_retry() argument
4494 if (!order || order > PAGE_ALLOC_COSTLY_ORDER) in should_compact_retry()
4574 __perform_reclaim(gfp_t gfp_mask, unsigned int order, in __perform_reclaim() argument
4588 progress = try_to_free_pages(ac->zonelist, order, gfp_mask, in __perform_reclaim()
4602 __alloc_pages_direct_reclaim(gfp_t gfp_mask, unsigned int order, in __alloc_pages_direct_reclaim() argument
4609 *did_some_progress = __perform_reclaim(gfp_mask, order, ac); in __alloc_pages_direct_reclaim()
4614 page = get_page_from_freelist(gfp_mask, order, alloc_flags, ac); in __alloc_pages_direct_reclaim()
4631 static void wake_all_kswapds(unsigned int order, gfp_t gfp_mask, in wake_all_kswapds() argument
4642 wakeup_kswapd(zone, gfp_mask, order, highest_zoneidx); in wake_all_kswapds()
4742 should_reclaim_retry(gfp_t gfp_mask, unsigned order, in should_reclaim_retry() argument
4755 if (did_some_progress && order <= PAGE_ALLOC_COSTLY_ORDER) in should_reclaim_retry()
4789 wmark = __zone_watermark_ok(zone, order, min_wmark, in should_reclaim_retry()
4791 trace_reclaim_retry_zone(z, order, reclaimable, in should_reclaim_retry()
4847 __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order, in __alloc_pages_slowpath() argument
4851 const bool costly_order = order > PAGE_ALLOC_COSTLY_ORDER; in __alloc_pages_slowpath()
4908 wake_all_kswapds(order, gfp_mask, ac); in __alloc_pages_slowpath()
4914 page = get_page_from_freelist(gfp_mask, order, alloc_flags, ac); in __alloc_pages_slowpath()
4929 (order > 0 && ac->migratetype != MIGRATE_MOVABLE)) in __alloc_pages_slowpath()
4931 page = __alloc_pages_direct_compact(gfp_mask, order, in __alloc_pages_slowpath()
4976 wake_all_kswapds(order, gfp_mask, ac); in __alloc_pages_slowpath()
4994 page = get_page_from_freelist(gfp_mask, order, alloc_flags, ac); in __alloc_pages_slowpath()
5007 page = __alloc_pages_direct_reclaim(gfp_mask, order, alloc_flags, ac, in __alloc_pages_slowpath()
5013 page = __alloc_pages_direct_compact(gfp_mask, order, alloc_flags, ac, in __alloc_pages_slowpath()
5029 if (should_reclaim_retry(gfp_mask, order, ac, alloc_flags, in __alloc_pages_slowpath()
5040 should_compact_retry(ac, order, alloc_flags, in __alloc_pages_slowpath()
5051 page = __alloc_pages_may_oom(gfp_mask, order, ac, &did_some_progress); in __alloc_pages_slowpath()
5097 WARN_ON_ONCE(order > PAGE_ALLOC_COSTLY_ORDER); in __alloc_pages_slowpath()
5105 page = __alloc_pages_cpuset_fallback(gfp_mask, order, ALLOC_HARDER, ac); in __alloc_pages_slowpath()
5114 "page allocation failure: order:%u", order); in __alloc_pages_slowpath()
5119 static inline bool prepare_alloc_pages(gfp_t gfp_mask, unsigned int order, in prepare_alloc_pages() argument
5146 if (should_fail_alloc_page(gfp_mask, order)) in prepare_alloc_pages()
5331 struct page *__alloc_pages(gfp_t gfp, unsigned int order, int preferred_nid, in __alloc_pages() argument
5343 if (unlikely(order >= MAX_ORDER)) { in __alloc_pages()
5358 if (!prepare_alloc_pages(gfp, order, preferred_nid, nodemask, &ac, in __alloc_pages()
5369 page = get_page_from_freelist(alloc_gfp, order, alloc_flags, &ac); in __alloc_pages()
5382 page = __alloc_pages_slowpath(alloc_gfp, order, &ac); in __alloc_pages()
5386 unlikely(__memcg_kmem_charge_page(page, gfp, order) != 0)) { in __alloc_pages()
5387 __free_pages(page, order); in __alloc_pages()
5391 trace_mm_page_alloc(page, order, alloc_gfp, ac.migratetype); in __alloc_pages()
5397 struct folio *__folio_alloc(gfp_t gfp, unsigned int order, int preferred_nid, in __folio_alloc() argument
5400 struct page *page = __alloc_pages(gfp | __GFP_COMP, order, in __folio_alloc()
5403 if (page && order > 1) in __folio_alloc()
5414 unsigned long __get_free_pages(gfp_t gfp_mask, unsigned int order) in __get_free_pages() argument
5418 page = alloc_pages(gfp_mask & ~__GFP_HIGHMEM, order); in __get_free_pages()
5451 void __free_pages(struct page *page, unsigned int order) in __free_pages() argument
5454 free_the_page(page, order); in __free_pages()
5456 while (order-- > 0) in __free_pages()
5457 free_the_page(page + (1 << order), order); in __free_pages()
5461 void free_pages(unsigned long addr, unsigned int order) in free_pages() argument
5465 __free_pages(virt_to_page((void *)addr), order); in free_pages()
5585 static void *make_alloc_exact(unsigned long addr, unsigned int order, in make_alloc_exact() argument
5589 unsigned long alloc_end = addr + (PAGE_SIZE << order); in make_alloc_exact()
5592 split_page(virt_to_page((void *)addr), order); in make_alloc_exact()
5618 unsigned int order = get_order(size); in alloc_pages_exact() local
5624 addr = __get_free_pages(gfp_mask, order); in alloc_pages_exact()
5625 return make_alloc_exact(addr, order, size); in alloc_pages_exact()
5643 unsigned int order = get_order(size); in alloc_pages_exact_nid() local
5649 p = alloc_pages_node(nid, gfp_mask, order); in alloc_pages_exact_nid()
5652 return make_alloc_exact((unsigned long)page_address(p), order, size); in alloc_pages_exact_nid()
6035 unsigned int order; in show_free_areas() local
6045 for (order = 0; order < MAX_ORDER; order++) { in show_free_areas()
6046 struct free_area *area = &zone->free_area[order]; in show_free_areas()
6049 nr[order] = area->nr_free; in show_free_areas()
6050 total += nr[order] << order; in show_free_areas()
6052 types[order] = 0; in show_free_areas()
6055 types[order] |= 1 << type; in show_free_areas()
6059 for (order = 0; order < MAX_ORDER; order++) { in show_free_areas()
6061 nr[order], K(1UL) << order); in show_free_areas()
6062 if (nr[order]) in show_free_areas()
6063 show_migration_types(types[order]); in show_free_areas()
6635 unsigned int order, t; in zone_init_free_lists() local
6636 for_each_migratetype_order(order, t) { in zone_init_free_lists()
6637 INIT_LIST_HEAD(&zone->free_area[order].free_list[t]); in zone_init_free_lists()
6638 zone->free_area[order].nr_free = 0; in zone_init_free_lists()
7328 unsigned int order; in set_pageblock_order() local
7335 order = HUGETLB_PAGE_ORDER; in set_pageblock_order()
7337 order = MAX_ORDER - 1; in set_pageblock_order()
7344 pageblock_order = order; in set_pageblock_order()
9040 unsigned int order; in alloc_contig_range() local
9045 .order = -1, in alloc_contig_range()
9118 order = 0; in alloc_contig_range()
9121 if (++order >= MAX_ORDER) { in alloc_contig_range()
9125 outer_start &= ~0UL << order; in alloc_contig_range()
9129 order = buddy_order(pfn_to_page(outer_start)); in alloc_contig_range()
9137 if (outer_start + (1UL << order) <= start) in alloc_contig_range()
9336 unsigned int order; in __offline_isolated_pages() local
9365 order = buddy_order(page); in __offline_isolated_pages()
9366 del_page_from_free_list(page, zone, order); in __offline_isolated_pages()
9367 pfn += (1 << order); in __offline_isolated_pages()
9379 unsigned int order; in is_free_buddy_page() local
9381 for (order = 0; order < MAX_ORDER; order++) { in is_free_buddy_page()
9382 struct page *page_head = page - (pfn & ((1 << order) - 1)); in is_free_buddy_page()
9385 buddy_order_unsafe(page_head) >= order) in is_free_buddy_page()
9389 return order < MAX_ORDER; in is_free_buddy_page()
9435 unsigned int order; in take_page_off_buddy() local
9439 for (order = 0; order < MAX_ORDER; order++) { in take_page_off_buddy()
9440 struct page *page_head = page - (pfn & ((1 << order) - 1)); in take_page_off_buddy()
9443 if (PageBuddy(page_head) && page_order >= order) { in take_page_off_buddy()