586 	unsigned long nr_pages = page_counter_read(&memcg->memory);  in soft_limit_excess()  local
590 	if (nr_pages > soft_limit)  in soft_limit_excess()
591 		excess = nr_pages - soft_limit;  in soft_limit_excess()
691 					 bool compound, int nr_pages)  in mem_cgroup_charge_statistics()  argument
698 		__mod_memcg_state(memcg, MEMCG_RSS, nr_pages);  in mem_cgroup_charge_statistics()
700 		__mod_memcg_state(memcg, MEMCG_CACHE, nr_pages);  in mem_cgroup_charge_statistics()
702 			__mod_memcg_state(memcg, NR_SHMEM, nr_pages);  in mem_cgroup_charge_statistics()
707 		__mod_memcg_state(memcg, MEMCG_RSS_HUGE, nr_pages);  in mem_cgroup_charge_statistics()
711 	if (nr_pages > 0)  in mem_cgroup_charge_statistics()
715 		nr_pages = -nr_pages; /* for event */  in mem_cgroup_charge_statistics()
718 	__this_cpu_add(memcg->stat_cpu->nr_page_events, nr_pages);  in mem_cgroup_charge_statistics()
1144 				int zid, int nr_pages)  in mem_cgroup_update_lru_size()  argument
1156 	if (nr_pages < 0)  in mem_cgroup_update_lru_size()
1157 		*lru_size += nr_pages;  in mem_cgroup_update_lru_size()
1162 		__func__, lruvec, lru, nr_pages, size)) {  in mem_cgroup_update_lru_size()
1167 	if (nr_pages > 0)  in mem_cgroup_update_lru_size()
1168 		*lru_size += nr_pages;  in mem_cgroup_update_lru_size()
1922 	unsigned int nr_pages;  member
1941 static bool consume_stock(struct mem_cgroup *memcg, unsigned int nr_pages)  in consume_stock()  argument
1947 	if (nr_pages > MEMCG_CHARGE_BATCH)  in consume_stock()
1953 	if (memcg == stock->cached && stock->nr_pages >= nr_pages) {  in consume_stock()
1954 		stock->nr_pages -= nr_pages;  in consume_stock()
1970 	if (stock->nr_pages) {  in drain_stock()
1971 		page_counter_uncharge(&old->memory, stock->nr_pages);  in drain_stock()
1973 			page_counter_uncharge(&old->memsw, stock->nr_pages);  in drain_stock()
1974 		css_put_many(&old->css, stock->nr_pages);  in drain_stock()
1975 		stock->nr_pages = 0;  in drain_stock()
2002 static void refill_stock(struct mem_cgroup *memcg, unsigned int nr_pages)  in refill_stock()  argument
2014 	stock->nr_pages += nr_pages;  in refill_stock()
2016 	if (stock->nr_pages > MEMCG_CHARGE_BATCH)  in refill_stock()
2045 		if (!memcg || !stock->nr_pages || !css_tryget(&memcg->css))  in drain_all_stock()
2108 			 unsigned int nr_pages,  in reclaim_high()  argument
2115 		try_to_free_mem_cgroup_pages(memcg, nr_pages, gfp_mask, true);  in reclaim_high()
2133 	unsigned int nr_pages = current->memcg_nr_pages_over_high;  in mem_cgroup_handle_over_high()  local
2136 	if (likely(!nr_pages))  in mem_cgroup_handle_over_high()
2140 	reclaim_high(memcg, nr_pages, GFP_KERNEL);  in mem_cgroup_handle_over_high()
2146 		      unsigned int nr_pages)  in try_charge()  argument
2148 	unsigned int batch = max(MEMCG_CHARGE_BATCH, nr_pages);  in try_charge()
2161 	if (consume_stock(memcg, nr_pages))  in try_charge()
2176 	if (batch > nr_pages) {  in try_charge()
2177 		batch = nr_pages;  in try_charge()
2209 	nr_reclaimed = try_to_free_mem_cgroup_pages(mem_over_limit, nr_pages,  in try_charge()
2212 	if (mem_cgroup_margin(mem_over_limit) >= nr_pages)  in try_charge()
2232 	if (nr_reclaimed && nr_pages <= (1 << PAGE_ALLOC_COSTLY_ORDER))  in try_charge()
2261 		       get_order(nr_pages * PAGE_SIZE));  in try_charge()
2281 	page_counter_charge(&memcg->memory, nr_pages);  in try_charge()
2283 		page_counter_charge(&memcg->memsw, nr_pages);  in try_charge()
2284 	css_get_many(&memcg->css, nr_pages);  in try_charge()
2290 	if (batch > nr_pages)  in try_charge()
2291 		refill_stock(memcg, batch - nr_pages);  in try_charge()
2318 static void cancel_charge(struct mem_cgroup *memcg, unsigned int nr_pages)  in cancel_charge()  argument
2323 	page_counter_uncharge(&memcg->memory, nr_pages);  in cancel_charge()
2325 		page_counter_uncharge(&memcg->memsw, nr_pages);  in cancel_charge()
2327 	css_put_many(&memcg->css, nr_pages);  in cancel_charge()
2586 	unsigned int nr_pages = 1 << order;  in memcg_kmem_charge_memcg()  local
2590 	ret = try_charge(memcg, gfp, nr_pages);  in memcg_kmem_charge_memcg()
2595 	    !page_counter_try_charge(&memcg->kmem, nr_pages, &counter)) {  in memcg_kmem_charge_memcg()
2596 		cancel_charge(memcg, nr_pages);  in memcg_kmem_charge_memcg()
2638 	unsigned int nr_pages = 1 << order;  in memcg_kmem_uncharge()  local
2646 		page_counter_uncharge(&memcg->kmem, nr_pages);  in memcg_kmem_uncharge()
2648 	page_counter_uncharge(&memcg->memory, nr_pages);  in memcg_kmem_uncharge()
2650 		page_counter_uncharge(&memcg->memsw, nr_pages);  in memcg_kmem_uncharge()
2658 	css_put_many(&memcg->css, nr_pages);  in memcg_kmem_uncharge()
3216 	unsigned long nr_pages;  in mem_cgroup_write()  local
3220 	ret = page_counter_memparse(buf, "-1", &nr_pages);  in mem_cgroup_write()
3232 			ret = mem_cgroup_resize_max(memcg, nr_pages, false);  in mem_cgroup_write()
3235 			ret = mem_cgroup_resize_max(memcg, nr_pages, true);  in mem_cgroup_write()
3238 			ret = memcg_update_kmem_max(memcg, nr_pages);  in mem_cgroup_write()
3241 			ret = memcg_update_tcp_max(memcg, nr_pages);  in mem_cgroup_write()
3246 		memcg->soft_limit = nr_pages;  in mem_cgroup_write()
4786 	unsigned int nr_pages = compound ? hpage_nr_pages(page) : 1;  in mem_cgroup_move_account()  local
4811 		__mod_memcg_state(from, NR_FILE_MAPPED, -nr_pages);  in mem_cgroup_move_account()
4812 		__mod_memcg_state(to, NR_FILE_MAPPED, nr_pages);  in mem_cgroup_move_account()
4824 			__mod_memcg_state(from, NR_FILE_DIRTY, -nr_pages);  in mem_cgroup_move_account()
4825 			__mod_memcg_state(to, NR_FILE_DIRTY, nr_pages);  in mem_cgroup_move_account()
4830 		__mod_memcg_state(from, NR_WRITEBACK, -nr_pages);  in mem_cgroup_move_account()
4831 		__mod_memcg_state(to, NR_WRITEBACK, nr_pages);  in mem_cgroup_move_account()
4847 	mem_cgroup_charge_statistics(to, page, compound, nr_pages);  in mem_cgroup_move_account()
4849 	mem_cgroup_charge_statistics(from, page, compound, -nr_pages);  in mem_cgroup_move_account()
5441 	unsigned long nr_pages;  in memory_high_write()  local
5452 	nr_pages = page_counter_read(&memcg->memory);  in memory_high_write()
5453 	if (nr_pages > high)  in memory_high_write()
5454 		try_to_free_mem_cgroup_pages(memcg, nr_pages - high,  in memory_high_write()
5491 		unsigned long nr_pages = page_counter_read(&memcg->memory);  in memory_max_write()  local
5493 		if (nr_pages <= max)  in memory_max_write()
5508 			if (!try_to_free_mem_cgroup_pages(memcg, nr_pages - max,  in memory_max_write()
5879 	unsigned int nr_pages = compound ? hpage_nr_pages(page) : 1;  in mem_cgroup_try_charge()  local
5912 	ret = try_charge(memcg, gfp_mask, nr_pages);  in mem_cgroup_try_charge()
5953 	unsigned int nr_pages = compound ? hpage_nr_pages(page) : 1;  in mem_cgroup_commit_charge()  local
5971 	mem_cgroup_charge_statistics(memcg, page, compound, nr_pages);  in mem_cgroup_commit_charge()
5982 		mem_cgroup_uncharge_swap(entry, nr_pages);  in mem_cgroup_commit_charge()
5997 	unsigned int nr_pages = compound ? hpage_nr_pages(page) : 1;  in mem_cgroup_cancel_charge()  local
6009 	cancel_charge(memcg, nr_pages);  in mem_cgroup_cancel_charge()
6030 	unsigned long nr_pages = ug->nr_anon + ug->nr_file + ug->nr_kmem;  in uncharge_batch()  local
6034 		page_counter_uncharge(&ug->memcg->memory, nr_pages);  in uncharge_batch()
6036 			page_counter_uncharge(&ug->memcg->memsw, nr_pages);  in uncharge_batch()
6048 	__this_cpu_add(ug->memcg->stat_cpu->nr_page_events, nr_pages);  in uncharge_batch()
6053 		css_put_many(&ug->memcg->css, nr_pages);  in uncharge_batch()
6080 		unsigned int nr_pages = 1;  in uncharge_page()  local
6083 			nr_pages <<= compound_order(page);  in uncharge_page()
6084 			ug->nr_huge += nr_pages;  in uncharge_page()
6087 			ug->nr_anon += nr_pages;  in uncharge_page()
6089 			ug->nr_file += nr_pages;  in uncharge_page()
6091 				ug->nr_shmem += nr_pages;  in uncharge_page()
6180 	unsigned int nr_pages;  in mem_cgroup_migrate()  local
6204 	nr_pages = compound ? hpage_nr_pages(newpage) : 1;  in mem_cgroup_migrate()
6206 	page_counter_charge(&memcg->memory, nr_pages);  in mem_cgroup_migrate()
6208 		page_counter_charge(&memcg->memsw, nr_pages);  in mem_cgroup_migrate()
6209 	css_get_many(&memcg->css, nr_pages);  in mem_cgroup_migrate()
6214 	mem_cgroup_charge_statistics(memcg, newpage, compound, nr_pages);  in mem_cgroup_migrate()
6269 bool mem_cgroup_charge_skmem(struct mem_cgroup *memcg, unsigned int nr_pages)  in mem_cgroup_charge_skmem()  argument
6276 		if (page_counter_try_charge(&memcg->tcpmem, nr_pages, &fail)) {  in mem_cgroup_charge_skmem()
6280 		page_counter_charge(&memcg->tcpmem, nr_pages);  in mem_cgroup_charge_skmem()
6289 	mod_memcg_state(memcg, MEMCG_SOCK, nr_pages);  in mem_cgroup_charge_skmem()
6291 	if (try_charge(memcg, gfp_mask, nr_pages) == 0)  in mem_cgroup_charge_skmem()
6294 	try_charge(memcg, gfp_mask|__GFP_NOFAIL, nr_pages);  in mem_cgroup_charge_skmem()
6303 void mem_cgroup_uncharge_skmem(struct mem_cgroup *memcg, unsigned int nr_pages)  in mem_cgroup_uncharge_skmem()  argument
6306 		page_counter_uncharge(&memcg->tcpmem, nr_pages);  in mem_cgroup_uncharge_skmem()
6310 	mod_memcg_state(memcg, MEMCG_SOCK, -nr_pages);  in mem_cgroup_uncharge_skmem()
6312 	refill_stock(memcg, nr_pages);  in mem_cgroup_uncharge_skmem()
6473 	unsigned int nr_pages = hpage_nr_pages(page);  in mem_cgroup_try_charge_swap()  local
6495 	    !page_counter_try_charge(&memcg->swap, nr_pages, &counter)) {  in mem_cgroup_try_charge_swap()
6503 	if (nr_pages > 1)  in mem_cgroup_try_charge_swap()
6504 		mem_cgroup_id_get_many(memcg, nr_pages - 1);  in mem_cgroup_try_charge_swap()
6505 	oldid = swap_cgroup_record(entry, mem_cgroup_id(memcg), nr_pages);  in mem_cgroup_try_charge_swap()
6507 	mod_memcg_state(memcg, MEMCG_SWAP, nr_pages);  in mem_cgroup_try_charge_swap()
6517 void mem_cgroup_uncharge_swap(swp_entry_t entry, unsigned int nr_pages)  in mem_cgroup_uncharge_swap()  argument
6525 	id = swap_cgroup_record(entry, 0, nr_pages);  in mem_cgroup_uncharge_swap()
6531 				page_counter_uncharge(&memcg->swap, nr_pages);  in mem_cgroup_uncharge_swap()
6533 				page_counter_uncharge(&memcg->memsw, nr_pages);  in mem_cgroup_uncharge_swap()
6535 		mod_memcg_state(memcg, MEMCG_SWAP, -nr_pages);  in mem_cgroup_uncharge_swap()
6536 		mem_cgroup_id_put_many(memcg, nr_pages);  in mem_cgroup_uncharge_swap()