551 	unsigned long nr_pages = page_counter_read(&memcg->memory);  in soft_limit_excess()  local
555 	if (nr_pages > soft_limit)  in soft_limit_excess()
556 		excess = nr_pages - soft_limit;  in soft_limit_excess()
700 					 int nr_pages)  in mem_cgroup_charge_statistics()  argument
708 				nr_pages);  in mem_cgroup_charge_statistics()
711 				nr_pages);  in mem_cgroup_charge_statistics()
715 				nr_pages);  in mem_cgroup_charge_statistics()
718 	if (nr_pages > 0)  in mem_cgroup_charge_statistics()
722 		nr_pages = -nr_pages; /* for event */  in mem_cgroup_charge_statistics()
725 	__this_cpu_add(memcg->stat->nr_page_events, nr_pages);  in mem_cgroup_charge_statistics()
1126 				int nr_pages)  in mem_cgroup_update_lru_size()  argument
1136 	*lru_size += nr_pages;  in mem_cgroup_update_lru_size()
1869 	unsigned int nr_pages;  member
1888 static bool consume_stock(struct mem_cgroup *memcg, unsigned int nr_pages)  in consume_stock()  argument
1893 	if (nr_pages > CHARGE_BATCH)  in consume_stock()
1897 	if (memcg == stock->cached && stock->nr_pages >= nr_pages) {  in consume_stock()
1898 		stock->nr_pages -= nr_pages;  in consume_stock()
1912 	if (stock->nr_pages) {  in drain_stock()
1913 		page_counter_uncharge(&old->memory, stock->nr_pages);  in drain_stock()
1915 			page_counter_uncharge(&old->memsw, stock->nr_pages);  in drain_stock()
1916 		css_put_many(&old->css, stock->nr_pages);  in drain_stock()
1917 		stock->nr_pages = 0;  in drain_stock()
1937 static void refill_stock(struct mem_cgroup *memcg, unsigned int nr_pages)  in refill_stock()  argument
1945 	stock->nr_pages += nr_pages;  in refill_stock()
1968 		if (!memcg || !stock->nr_pages)  in drain_all_stock()
2008 	unsigned int nr_pages = current->memcg_nr_pages_over_high;  in mem_cgroup_handle_over_high()  local
2011 	if (likely(!nr_pages))  in mem_cgroup_handle_over_high()
2020 		try_to_free_mem_cgroup_pages(pos, nr_pages, GFP_KERNEL, true);  in mem_cgroup_handle_over_high()
2028 		      unsigned int nr_pages)  in try_charge()  argument
2030 	unsigned int batch = max(CHARGE_BATCH, nr_pages);  in try_charge()
2041 	if (consume_stock(memcg, nr_pages))  in try_charge()
2056 	if (batch > nr_pages) {  in try_charge()
2057 		batch = nr_pages;  in try_charge()
2080 	nr_reclaimed = try_to_free_mem_cgroup_pages(mem_over_limit, nr_pages,  in try_charge()
2083 	if (mem_cgroup_margin(mem_over_limit) >= nr_pages)  in try_charge()
2103 	if (nr_reclaimed && nr_pages <= (1 << PAGE_ALLOC_COSTLY_ORDER))  in try_charge()
2124 		       get_order(nr_pages * PAGE_SIZE));  in try_charge()
2134 	page_counter_charge(&memcg->memory, nr_pages);  in try_charge()
2136 		page_counter_charge(&memcg->memsw, nr_pages);  in try_charge()
2137 	css_get_many(&memcg->css, nr_pages);  in try_charge()
2143 	if (batch > nr_pages)  in try_charge()
2144 		refill_stock(memcg, batch - nr_pages);  in try_charge()
2166 static void cancel_charge(struct mem_cgroup *memcg, unsigned int nr_pages)  in cancel_charge()  argument
2171 	page_counter_uncharge(&memcg->memory, nr_pages);  in cancel_charge()
2173 		page_counter_uncharge(&memcg->memsw, nr_pages);  in cancel_charge()
2175 	css_put_many(&memcg->css, nr_pages);  in cancel_charge()
2408 	unsigned int nr_pages = 1 << order;  in __memcg_kmem_charge_memcg()  local
2415 	if (!page_counter_try_charge(&memcg->kmem, nr_pages, &counter))  in __memcg_kmem_charge_memcg()
2418 	ret = try_charge(memcg, gfp, nr_pages);  in __memcg_kmem_charge_memcg()
2420 		page_counter_uncharge(&memcg->kmem, nr_pages);  in __memcg_kmem_charge_memcg()
2443 	unsigned int nr_pages = 1 << order;  in __memcg_kmem_uncharge()  local
2450 	page_counter_uncharge(&memcg->kmem, nr_pages);  in __memcg_kmem_uncharge()
2451 	page_counter_uncharge(&memcg->memory, nr_pages);  in __memcg_kmem_uncharge()
2453 		page_counter_uncharge(&memcg->memsw, nr_pages);  in __memcg_kmem_uncharge()
2456 	css_put_many(&memcg->css, nr_pages);  in __memcg_kmem_uncharge()
2898 			       unsigned long nr_pages)  in memcg_activate_kmem()  argument
2937 	err = page_counter_limit(&memcg->kmem, nr_pages);  in memcg_activate_kmem()
3002 	unsigned long nr_pages;  in mem_cgroup_write()  local
3006 	ret = page_counter_memparse(buf, "-1", &nr_pages);  in mem_cgroup_write()
3018 			ret = mem_cgroup_resize_limit(memcg, nr_pages);  in mem_cgroup_write()
3021 			ret = mem_cgroup_resize_memsw_limit(memcg, nr_pages);  in mem_cgroup_write()
3024 			ret = memcg_update_kmem_limit(memcg, nr_pages);  in mem_cgroup_write()
3029 		memcg->soft_limit = nr_pages;  in mem_cgroup_write()
4547 				   unsigned int nr_pages,  in mem_cgroup_move_account()  argument
4564 	if (nr_pages > 1 && !PageTransHuge(page))  in mem_cgroup_move_account()
4584 			       nr_pages);  in mem_cgroup_move_account()
4586 			       nr_pages);  in mem_cgroup_move_account()
4599 				       nr_pages);  in mem_cgroup_move_account()
4601 				       nr_pages);  in mem_cgroup_move_account()
4607 			       nr_pages);  in mem_cgroup_move_account()
4609 			       nr_pages);  in mem_cgroup_move_account()
4625 	mem_cgroup_charge_statistics(to, page, nr_pages);  in mem_cgroup_move_account()
4627 	mem_cgroup_charge_statistics(from, page, -nr_pages);  in mem_cgroup_move_account()
5129 	unsigned long nr_pages;  in memory_high_write()  local
5140 	nr_pages = page_counter_read(&memcg->memory);  in memory_high_write()
5141 	if (nr_pages > high)  in memory_high_write()
5142 		try_to_free_mem_cgroup_pages(memcg, nr_pages - high,  in memory_high_write()
5179 		unsigned long nr_pages = page_counter_read(&memcg->memory);  in memory_max_write()  local
5181 		if (nr_pages <= max)  in memory_max_write()
5196 			if (!try_to_free_mem_cgroup_pages(memcg, nr_pages - max,  in memory_max_write()
5330 	unsigned int nr_pages = 1;  in mem_cgroup_try_charge()  local
5361 		nr_pages <<= compound_order(page);  in mem_cgroup_try_charge()
5368 	ret = try_charge(memcg, gfp_mask, nr_pages);  in mem_cgroup_try_charge()
5395 	unsigned int nr_pages = 1;  in mem_cgroup_commit_charge()  local
5413 		nr_pages <<= compound_order(page);  in mem_cgroup_commit_charge()
5418 	mem_cgroup_charge_statistics(memcg, page, nr_pages);  in mem_cgroup_commit_charge()
5442 	unsigned int nr_pages = 1;  in mem_cgroup_cancel_charge()  local
5455 		nr_pages <<= compound_order(page);  in mem_cgroup_cancel_charge()
5459 	cancel_charge(memcg, nr_pages);  in mem_cgroup_cancel_charge()
5466 	unsigned long nr_pages = nr_anon + nr_file;  in uncharge_batch()  local
5470 		page_counter_uncharge(&memcg->memory, nr_pages);  in uncharge_batch()
5472 			page_counter_uncharge(&memcg->memsw, nr_pages);  in uncharge_batch()
5481 	__this_cpu_add(memcg->stat->nr_page_events, nr_pages);  in uncharge_batch()
5486 		css_put_many(&memcg->css, nr_pages);  in uncharge_batch()
5501 		unsigned int nr_pages = 1;  in uncharge_list()  local
5528 			nr_pages <<= compound_order(page);  in uncharge_list()
5530 			nr_huge += nr_pages;  in uncharge_list()
5534 			nr_anon += nr_pages;  in uncharge_list()
5536 			nr_file += nr_pages;  in uncharge_list()