PAD_SIZE
u8 padding[PAD_SIZE];
u8 padding[PAD_SIZE];
memset(alloced_buffer, FILL_CHAR, BUF_SIZE + 2*PAD_SIZE);
if (memchr_inv(alloced_buffer, FILL_CHAR, PAD_SIZE)) {
if (memchr_inv(test_buffer, FILL_CHAR, BUF_SIZE + PAD_SIZE)) {
alloced_buffer = kmalloc(BUF_SIZE + 2*PAD_SIZE, GFP_KERNEL);
test_buffer = alloced_buffer + PAD_SIZE;
if (memchr_inv(test_buffer + bufsize, FILL_CHAR, BUF_SIZE + PAD_SIZE - bufsize)) {