u64 clib_mem_get_fd_page_size (int fd);
uword clib_mem_get_default_hugepage_size (void);
int clib_mem_get_fd_log2_page_size (int fd);
+uword clib_mem_vm_reserve (uword start, uword size, u32 log2_page_sz);
u64 *clib_mem_vm_get_paddr (void *mem, int log2_page_size, int n_pages);
typedef struct