return num % 10;
На шее Трампа заметили странное пятно во время выступления в Белом доме23:05
，更多细节参见新收录的资料
The last step is executing the writes. This is achieved through copy_to_user_page(), which is essentially a memcpy. Since the destination is the writable mapping from kmap(), this just works.
To bypass the MMU, the kernel needs to manually perform in software what the MMU accomplishes in hardware. The first step is translating the destination virtual address to a physical address.
，详情可参考新收录的资料
// Both of these are valid
Фонбет Чемпионат КХЛ。业内人士推荐新收录的资料作为进阶阅读