208 static bool try_release_thread_stack_to_cache(struct vm_struct *vm)  in try_release_thread_stack_to_cache()  argument
213 		if (this_cpu_cmpxchg(cached_stacks[i], NULL, vm) != NULL)  in try_release_thread_stack_to_cache()
256 static int memcg_charge_kernel_stack(struct vm_struct *vm)  in memcg_charge_kernel_stack()  argument
262 	BUG_ON(vm->nr_pages != THREAD_SIZE / PAGE_SIZE);  in memcg_charge_kernel_stack()
265 		ret = memcg_kmem_charge_page(vm->pages[i], GFP_KERNEL, 0);  in memcg_charge_kernel_stack()
277 		memcg_kmem_uncharge_page(vm->pages[i], 0);  in memcg_charge_kernel_stack()
283 	struct vm_struct *vm;  in alloc_thread_stack_node()  local
326 	vm = find_vm_area(stack);  in alloc_thread_stack_node()
327 	if (memcg_charge_kernel_stack(vm)) {  in alloc_thread_stack_node()
336 	tsk->stack_vm_area = vm;  in alloc_thread_stack_node()
562 		struct vm_struct *vm = task_stack_vm_area(tsk);  in account_kernel_stack()  local
566 			mod_lruvec_page_state(vm->pages[i], NR_KERNEL_STACK_KB,  in account_kernel_stack()
582 		struct vm_struct *vm;  in exit_task_stack_account()  local
585 		vm = task_stack_vm_area(tsk);  in exit_task_stack_account()
587 			memcg_kmem_uncharge_page(vm->pages[i], 0);  in exit_task_stack_account()