2009/4/20 yihect <[email protected]>:
> Hi, all:
>     I allocated some physical pages using __get_free_pages() api and mapped
> them into user-space with mmap() in my driver,
> but It seems not be shared in multi process.
>
> Following is content of /proc/157/maps file. The vma range of
> 40244000-40444000 mapped to /dev/mux_dev, notice the rw-p column.

are you using fork()?

regards,

Mulyadi.

--
To unsubscribe from this list: send an email with
"unsubscribe kernelnewbies" to [email protected]
Please read the FAQ at http://kernelnewbies.org/FAQ

Reply via email to