pte_unmap(ptep);
标签刚好消失了。尝试以这种方式更改代码:
... page = pte_page(pte); if (page) printk(KERN_INFO "page frame struct is @ %p", page); pte_unmap(ptep);out:

pte_unmap(ptep);
标签刚好消失了。尝试以这种方式更改代码:
... page = pte_page(pte); if (page) printk(KERN_INFO "page frame struct is @ %p", page); pte_unmap(ptep);out: