u64 clib_mem_vm_get_page_size (int fd);
int clib_mem_vm_get_log2_page_size (int fd);
u64 *clib_mem_vm_get_paddr (void *mem, int log2_page_size, int n_pages);
u64 clib_mem_vm_get_page_size (int fd);
int clib_mem_vm_get_log2_page_size (int fd);
u64 *clib_mem_vm_get_paddr (void *mem, int log2_page_size, int n_pages);