2654  * however xarray spinlocks protect against any contention that remains.
4425 	size_t remains = count;  in zero_iter()  local
4427 	while (remains > 0) {  in zero_iter()
4430 		num = min_t(size_t, remains, PAGE_SIZE);  in zero_iter()
4432 		remains -= copied;  in zero_iter()
4438 	return count - remains;  in zero_iter()
4450 	size_t remains = count;  in aligned_vread_iter()  local
4453 	while (remains > 0) {  in aligned_vread_iter()
4459 		if (length > remains)  in aligned_vread_iter()
4460 			length = remains;  in aligned_vread_iter()
4477 		remains -= copied;  in aligned_vread_iter()
4483 	return count - remains;  in aligned_vread_iter()
4499 	size_t remains, n;  in vmap_ram_vread_iter()  local
4509 	remains = count;  in vmap_ram_vread_iter()
4529 		if (remains == 0)  in vmap_ram_vread_iter()
4535 			size_t to_zero = min_t(size_t, start - addr, remains);  in vmap_ram_vread_iter()
4539 			remains -= zeroed;  in vmap_ram_vread_iter()
4541 			if (remains == 0 || zeroed != to_zero)  in vmap_ram_vread_iter()
4548 		if (n > remains)  in vmap_ram_vread_iter()
4549 			n = remains;  in vmap_ram_vread_iter()
4554 		remains -= copied;  in vmap_ram_vread_iter()
4564 	return count - remains + zero_iter(iter, remains);  in vmap_ram_vread_iter()
4568 	return count - remains;  in vmap_ram_vread_iter()
4601 	size_t n, size, flags, remains;  in vread_iter()  local
4610 	remains = count;  in vread_iter()
4617 	if ((unsigned long)addr + remains <= va->va_start)  in vread_iter()
4623 		if (remains == 0)  in vread_iter()
4650 			size_t to_zero = min_t(size_t, vaddr - addr, remains);  in vread_iter()
4654 			remains -= zeroed;  in vread_iter()
4656 			if (remains == 0 || zeroed != to_zero)  in vread_iter()
4661 		if (n > remains)  in vread_iter()
4662 			n = remains;  in vread_iter()
4672 		remains -= copied;  in vread_iter()
4687 	return count - remains + zero_iter(iter, remains);  in vread_iter()
4689 	/* Nothing remains, or We couldn't copy/zero everything. */  in vread_iter()
4693 	return count - remains;  in vread_iter()