On Tue, Apr 21, 2009 at 07:49:37PM +0800, yihect wrote:
> >> 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
On 2009-04-20, yihect wrote:
> 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
> 40244000-404
2009/4/20 yihect :
> 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
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