2110 						const struct alloc_context *ac)  in get_page_from_freelist()  argument
2112 	struct zonelist *zonelist = ac->zonelist;  in get_page_from_freelist()
2131 	for_each_zone_zonelist_nodemask(zone, z, zonelist, ac->high_zoneidx,  in get_page_from_freelist()
2132 								ac->nodemask) {  in get_page_from_freelist()
2149 			if (!zone_local(ac->preferred_zone, zone))  in get_page_from_freelist()
2187 				       ac->classzone_idx, alloc_flags)) {  in get_page_from_freelist()
2208 			    !zone_allows_reclaim(ac->preferred_zone, zone))  in get_page_from_freelist()
2230 						ac->classzone_idx, alloc_flags))  in get_page_from_freelist()
2251 		page = buffered_rmqueue(ac->preferred_zone, zone, order,  in get_page_from_freelist()
2252 						gfp_mask, ac->migratetype);  in get_page_from_freelist()
2275 			reset_alloc_batches(ac->preferred_zone);  in get_page_from_freelist()
2397 	const struct alloc_context *ac, unsigned long *did_some_progress)  in __alloc_pages_may_oom()  argument
2407 	if (!oom_zonelist_trylock(ac->zonelist, gfp_mask)) {  in __alloc_pages_may_oom()
2419 					ALLOC_WMARK_HIGH|ALLOC_CPUSET, ac);  in __alloc_pages_may_oom()
2431 		if (ac->high_zoneidx < ZONE_NORMAL)  in __alloc_pages_may_oom()
2448 	if (out_of_memory(ac->zonelist, gfp_mask, order, ac->nodemask, false)  in __alloc_pages_may_oom()
2452 	oom_zonelist_unlock(ac->zonelist, gfp_mask);  in __alloc_pages_may_oom()
2460 		int alloc_flags, const struct alloc_context *ac,  in __alloc_pages_direct_compact()  argument
2471 	compact_result = try_to_compact_pages(gfp_mask, order, alloc_flags, ac,  in __alloc_pages_direct_compact()
2492 					alloc_flags & ~ALLOC_NO_WATERMARKS, ac);  in __alloc_pages_direct_compact()
2516 		int alloc_flags, const struct alloc_context *ac,  in __alloc_pages_direct_compact()  argument
2527 					const struct alloc_context *ac)  in __perform_reclaim()  argument
2541 	progress = try_to_free_pages(ac->zonelist, order, gfp_mask,  in __perform_reclaim()
2542 								ac->nodemask);  in __perform_reclaim()
2556 		int alloc_flags, const struct alloc_context *ac,  in __alloc_pages_direct_reclaim()  argument
2562 	*did_some_progress = __perform_reclaim(gfp_mask, order, ac);  in __alloc_pages_direct_reclaim()
2568 		zlc_clear_zones_full(ac->zonelist);  in __alloc_pages_direct_reclaim()
2572 					alloc_flags & ~ALLOC_NO_WATERMARKS, ac);  in __alloc_pages_direct_reclaim()
2593 				const struct alloc_context *ac)  in __alloc_pages_high_priority()  argument
2599 						ALLOC_NO_WATERMARKS, ac);  in __alloc_pages_high_priority()
2602 			wait_iff_congested(ac->preferred_zone, BLK_RW_ASYNC,  in __alloc_pages_high_priority()
2609 static void wake_all_kswapds(unsigned int order, const struct alloc_context *ac)  in wake_all_kswapds()  argument
2614 	for_each_zone_zonelist_nodemask(zone, z, ac->zonelist,  in wake_all_kswapds()
2615 						ac->high_zoneidx, ac->nodemask)  in wake_all_kswapds()
2616 		wakeup_kswapd(zone, order, zone_idx(ac->preferred_zone));  in wake_all_kswapds()
2675 						struct alloc_context *ac)  in __alloc_pages_slowpath()  argument
2707 		wake_all_kswapds(order, ac);  in __alloc_pages_slowpath()
2720 	if (!(alloc_flags & ALLOC_CPUSET) && !ac->nodemask) {  in __alloc_pages_slowpath()
2722 		preferred_zoneref = first_zones_zonelist(ac->zonelist,  in __alloc_pages_slowpath()
2723 				ac->high_zoneidx, NULL, &ac->preferred_zone);  in __alloc_pages_slowpath()
2724 		ac->classzone_idx = zonelist_zone_idx(preferred_zoneref);  in __alloc_pages_slowpath()
2729 				alloc_flags & ~ALLOC_NO_WATERMARKS, ac);  in __alloc_pages_slowpath()
2740 		ac->zonelist = node_zonelist(numa_node_id(), gfp_mask);  in __alloc_pages_slowpath()
2742 		page = __alloc_pages_high_priority(gfp_mask, order, ac);  in __alloc_pages_slowpath()
2772 	page = __alloc_pages_direct_compact(gfp_mask, order, alloc_flags, ac,  in __alloc_pages_slowpath()
2820 	page = __alloc_pages_direct_reclaim(gfp_mask, order, alloc_flags, ac,  in __alloc_pages_slowpath()
2835 			page = __alloc_pages_may_oom(gfp_mask, order, ac,  in __alloc_pages_slowpath()
2843 		wait_iff_congested(ac->preferred_zone, BLK_RW_ASYNC, HZ/50);  in __alloc_pages_slowpath()
2852 					alloc_flags, ac, migration_mode,  in __alloc_pages_slowpath()
2877 	struct alloc_context ac = {  in __alloc_pages_nodemask()  local
2900 	if (IS_ENABLED(CONFIG_CMA) && ac.migratetype == MIGRATE_MOVABLE)  in __alloc_pages_nodemask()
2907 	ac.zonelist = zonelist;  in __alloc_pages_nodemask()
2909 	preferred_zoneref = first_zones_zonelist(ac.zonelist, ac.high_zoneidx,  in __alloc_pages_nodemask()
2910 				ac.nodemask ? : &cpuset_current_mems_allowed,  in __alloc_pages_nodemask()
2911 				&ac.preferred_zone);  in __alloc_pages_nodemask()
2912 	if (!ac.preferred_zone)  in __alloc_pages_nodemask()
2914 	ac.classzone_idx = zonelist_zone_idx(preferred_zoneref);  in __alloc_pages_nodemask()
2918 	page = get_page_from_freelist(alloc_mask, order, alloc_flags, &ac);  in __alloc_pages_nodemask()
2927 		page = __alloc_pages_slowpath(alloc_mask, order, &ac);  in __alloc_pages_nodemask()
2933 	trace_mm_page_alloc(page, order, alloc_mask, ac.migratetype);  in __alloc_pages_nodemask()