2540  * however xarray spinlocks protect against any contention that remains.
4150 	size_t remains = count;  in zero_iter()  local
4152 	while (remains > 0) {  in zero_iter()
4155 		num = min_t(size_t, remains, PAGE_SIZE);  in zero_iter()
4157 		remains -= copied;  in zero_iter()
4163 	return count - remains;  in zero_iter()
4175 	size_t remains = count;  in aligned_vread_iter()  local
4178 	while (remains > 0) {  in aligned_vread_iter()
4184 		if (length > remains)  in aligned_vread_iter()
4185 			length = remains;  in aligned_vread_iter()
4202 		remains -= copied;  in aligned_vread_iter()
4208 	return count - remains;  in aligned_vread_iter()
4224 	size_t remains, n;  in vmap_ram_vread_iter()  local
4234 	remains = count;  in vmap_ram_vread_iter()
4254 		if (remains == 0)  in vmap_ram_vread_iter()
4260 			size_t to_zero = min_t(size_t, start - addr, remains);  in vmap_ram_vread_iter()
4264 			remains -= zeroed;  in vmap_ram_vread_iter()
4266 			if (remains == 0 || zeroed != to_zero)  in vmap_ram_vread_iter()
4273 		if (n > remains)  in vmap_ram_vread_iter()
4274 			n = remains;  in vmap_ram_vread_iter()
4279 		remains -= copied;  in vmap_ram_vread_iter()
4289 	return count - remains + zero_iter(iter, remains);  in vmap_ram_vread_iter()
4293 	return count - remains;  in vmap_ram_vread_iter()
4326 	size_t n, size, flags, remains;  in vread_iter()  local
4335 	remains = count;  in vread_iter()
4342 	if ((unsigned long)addr + remains <= va->va_start)  in vread_iter()
4348 		if (remains == 0)  in vread_iter()
4375 			size_t to_zero = min_t(size_t, vaddr - addr, remains);  in vread_iter()
4379 			remains -= zeroed;  in vread_iter()
4381 			if (remains == 0 || zeroed != to_zero)  in vread_iter()
4386 		if (n > remains)  in vread_iter()
4387 			n = remains;  in vread_iter()
4397 		remains -= copied;  in vread_iter()
4412 	return count - remains + zero_iter(iter, remains);  in vread_iter()
4414 	/* Nothing remains, or We couldn't copy/zero everything. */  in vread_iter()
4418 	return count - remains;  in vread_iter()