Function io_uring_queue_init_mem

src/setup.c:434–441

* Like io_uring_queue_init_params(), except it allows the application to pass * in a pre-allocated memory range that is used for the shared data between * the kernel and the application. This includes the sqes array, and the two * rings. The memory must be contiguous, the use case here is that the app * allocates a huge page and passes it in. * * Returns the number of bytes used in the buffe

 * host the ring.
 */
int io_uring_queue_init_mem(unsigned entries, struct io_uring *ring,
			    struct io_uring_params *p,
			    void *buf, size_t buf_size)
{
	/* should already be set... */
	p->flags |= IORING_SETUP_NO_MMAP;
	return io_uring_queue_init_try_nosqarr(entries, ring, p, buf, buf_size);
}

int io_uring_queue_init_params(unsigned entries, struct io_uring *ring,
			       struct io_uring_params *p)