Function mem_set_dump

dpdk/lib/vhost/vhost_user.c:765–778

}

void
mem_set_dump(void *ptr, size_t size, bool enable, uint64_t pagesz)
{
#ifdef MADV_DONTDUMP
	void *start = RTE_PTR_ALIGN_FLOOR(ptr, pagesz);
	uintptr_t end = RTE_ALIGN_CEIL((uintptr_t)ptr + size, pagesz);
	size_t len = end - (uintptr_t)start;

	if (madvise(start, len, enable ? MADV_DODUMP : MADV_DONTDUMP) == -1) {
		rte_log(RTE_LOG_INFO, vhost_config_log_level,
			"VHOST_CONFIG: could not set coredump preference (%s).\n", strerror(errno));
	}
#endif
}

static void
translate_ring_addresses(struct virtio_net **pdev, struct vhost_virtqueue **pvq)