Prahar Shah wrote this message on Fri, Aug 31, 2007 at 10:30 +0530:
> I am writing a device driver in user-land process. I do a contigmalloc() to
> allocate the descriptor memory, do a vtophys() on it and mmap that memory in
> the user-land application process. I allocate buffers again using
You s
Hi.
I am writing a device driver in user-land process. I do a contigmalloc() to
allocate the descriptor memory, do a vtophys() on it and mmap that memory in
the user-land application process. I allocate buffers again using
contigmalloc(), and mmap it within the same process. I pass on a buffer each