1704 static void unreserve_highatomic_pageblock(const struct alloc_context *ac)  in unreserve_highatomic_pageblock()  argument
1706 	struct zonelist *zonelist = ac->zonelist;  in unreserve_highatomic_pageblock()
1713 	for_each_zone_zonelist_nodemask(zone, z, zonelist, ac->high_zoneidx,  in unreserve_highatomic_pageblock()
1714 								ac->nodemask) {  in unreserve_highatomic_pageblock()
1747 			set_pageblock_migratetype(page, ac->migratetype);  in unreserve_highatomic_pageblock()
1748 			move_freepages_block(zone, page, ac->migratetype);  in unreserve_highatomic_pageblock()
2501 						const struct alloc_context *ac)  in get_page_from_freelist()  argument
2503 	struct zonelist *zonelist = ac->zonelist;  in get_page_from_freelist()
2517 	for_each_zone_zonelist_nodemask(zone, z, zonelist, ac->high_zoneidx,  in get_page_from_freelist()
2518 								ac->nodemask) {  in get_page_from_freelist()
2532 			if (!zone_local(ac->preferred_zone, zone))  in get_page_from_freelist()
2565 		if (ac->spread_dirty_pages && !zone_dirty_ok(zone))  in get_page_from_freelist()
2570 				       ac->classzone_idx, alloc_flags)) {  in get_page_from_freelist()
2579 			    !zone_allows_reclaim(ac->preferred_zone, zone))  in get_page_from_freelist()
2593 						ac->classzone_idx, alloc_flags))  in get_page_from_freelist()
2601 		page = buffered_rmqueue(ac->preferred_zone, zone, order,  in get_page_from_freelist()
2602 				gfp_mask, alloc_flags, ac->migratetype);  in get_page_from_freelist()
2630 			reset_alloc_batches(ac->preferred_zone);  in get_page_from_freelist()
2704 	const struct alloc_context *ac, unsigned long *did_some_progress)  in __alloc_pages_may_oom()  argument
2707 		.zonelist = ac->zonelist,  in __alloc_pages_may_oom()
2708 		.nodemask = ac->nodemask,  in __alloc_pages_may_oom()
2732 					ALLOC_WMARK_HIGH|ALLOC_CPUSET, ac);  in __alloc_pages_may_oom()
2744 		if (ac->high_zoneidx < ZONE_NORMAL)  in __alloc_pages_may_oom()
2774 		int alloc_flags, const struct alloc_context *ac,  in __alloc_pages_direct_compact()  argument
2785 	compact_result = try_to_compact_pages(gfp_mask, order, alloc_flags, ac,  in __alloc_pages_direct_compact()
2806 					alloc_flags & ~ALLOC_NO_WATERMARKS, ac);  in __alloc_pages_direct_compact()
2830 		int alloc_flags, const struct alloc_context *ac,  in __alloc_pages_direct_compact()  argument
2841 					const struct alloc_context *ac)  in __perform_reclaim()  argument
2855 	progress = try_to_free_pages(ac->zonelist, order, gfp_mask,  in __perform_reclaim()
2856 								ac->nodemask);  in __perform_reclaim()
2870 		int alloc_flags, const struct alloc_context *ac,  in __alloc_pages_direct_reclaim()  argument
2876 	*did_some_progress = __perform_reclaim(gfp_mask, order, ac);  in __alloc_pages_direct_reclaim()
2882 					alloc_flags & ~ALLOC_NO_WATERMARKS, ac);  in __alloc_pages_direct_reclaim()
2890 		unreserve_highatomic_pageblock(ac);  in __alloc_pages_direct_reclaim()
2905 				const struct alloc_context *ac)  in __alloc_pages_high_priority()  argument
2911 						ALLOC_NO_WATERMARKS, ac);  in __alloc_pages_high_priority()
2914 			wait_iff_congested(ac->preferred_zone, BLK_RW_ASYNC,  in __alloc_pages_high_priority()
2921 static void wake_all_kswapds(unsigned int order, const struct alloc_context *ac)  in wake_all_kswapds()  argument
2926 	for_each_zone_zonelist_nodemask(zone, z, ac->zonelist,  in wake_all_kswapds()
2927 						ac->high_zoneidx, ac->nodemask)  in wake_all_kswapds()
2928 		wakeup_kswapd(zone, order, zone_idx(ac->preferred_zone));  in wake_all_kswapds()
2991 						struct alloc_context *ac)  in __alloc_pages_slowpath()  argument
3031 		wake_all_kswapds(order, ac);  in __alloc_pages_slowpath()
3044 	if (!(alloc_flags & ALLOC_CPUSET) && !ac->nodemask) {  in __alloc_pages_slowpath()
3046 		preferred_zoneref = first_zones_zonelist(ac->zonelist,  in __alloc_pages_slowpath()
3047 				ac->high_zoneidx, NULL, &ac->preferred_zone);  in __alloc_pages_slowpath()
3048 		ac->classzone_idx = zonelist_zone_idx(preferred_zoneref);  in __alloc_pages_slowpath()
3053 				alloc_flags & ~ALLOC_NO_WATERMARKS, ac);  in __alloc_pages_slowpath()
3064 		ac->zonelist = node_zonelist(numa_node_id(), gfp_mask);  in __alloc_pages_slowpath()
3066 		page = __alloc_pages_high_priority(gfp_mask, order, ac);  in __alloc_pages_slowpath()
3096 	page = __alloc_pages_direct_compact(gfp_mask, order, alloc_flags, ac,  in __alloc_pages_slowpath()
3143 	page = __alloc_pages_direct_reclaim(gfp_mask, order, alloc_flags, ac,  in __alloc_pages_slowpath()
3157 		wait_iff_congested(ac->preferred_zone, BLK_RW_ASYNC, HZ/50);  in __alloc_pages_slowpath()
3162 	page = __alloc_pages_may_oom(gfp_mask, order, ac, &did_some_progress);  in __alloc_pages_slowpath()
3177 					    ac, migration_mode,  in __alloc_pages_slowpath()
3200 	struct alloc_context ac = {  in __alloc_pages_nodemask()  local
3223 	if (IS_ENABLED(CONFIG_CMA) && ac.migratetype == MIGRATE_MOVABLE)  in __alloc_pages_nodemask()
3230 	ac.zonelist = zonelist;  in __alloc_pages_nodemask()
3233 	ac.spread_dirty_pages = (gfp_mask & __GFP_WRITE);  in __alloc_pages_nodemask()
3236 	preferred_zoneref = first_zones_zonelist(ac.zonelist, ac.high_zoneidx,  in __alloc_pages_nodemask()
3237 				ac.nodemask ? : &cpuset_current_mems_allowed,  in __alloc_pages_nodemask()
3238 				&ac.preferred_zone);  in __alloc_pages_nodemask()
3239 	if (!ac.preferred_zone)  in __alloc_pages_nodemask()
3241 	ac.classzone_idx = zonelist_zone_idx(preferred_zoneref);  in __alloc_pages_nodemask()
3245 	page = get_page_from_freelist(alloc_mask, order, alloc_flags, &ac);  in __alloc_pages_nodemask()
3253 		ac.spread_dirty_pages = false;  in __alloc_pages_nodemask()
3255 		page = __alloc_pages_slowpath(alloc_mask, order, &ac);  in __alloc_pages_nodemask()
3261 	trace_mm_page_alloc(page, order, alloc_mask, ac.migratetype);  in __alloc_pages_nodemask()