2009/4/20 yihect <yihect@xxxxxxx>: > 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 ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
