34 static long try_increment_locked_vm(long npages)  in try_increment_locked_vm()  argument
41 	if (!npages)  in try_increment_locked_vm()
45 	locked = current->mm->locked_vm + npages;  in try_increment_locked_vm()
50 		current->mm->locked_vm += npages;  in try_increment_locked_vm()
53 			npages << PAGE_SHIFT,  in try_increment_locked_vm()
63 static void decrement_locked_vm(long npages)  in decrement_locked_vm()  argument
65 	if (!current || !current->mm || !npages)  in decrement_locked_vm()
69 	if (WARN_ON_ONCE(npages > current->mm->locked_vm))  in decrement_locked_vm()
70 		npages = current->mm->locked_vm;  in decrement_locked_vm()
71 	current->mm->locked_vm -= npages;  in decrement_locked_vm()
73 			npages << PAGE_SHIFT,  in decrement_locked_vm()