On Thu, Apr 2, 2009 at 8:46 AM, Lal <[email protected]> wrote: > On Tue, Mar 31, 2009 at 2:03 PM, nidhi mittal <[email protected]> wrote: >> hi >> i have written a very simple ram based block device driver >> processing request asynchronously >> >> wherein >> in request function -- dequeue the req from req queue and add it to the >> linked list >> then in the function triggered by timer >> handle each req from the linked list >> then blk_end_requets is called upon completion of request . >> >> > >> blkdev_dequeue_request(req); >> my_req = (struct filtered_request*)kzalloc(sizeof(struct >> filtered_request),GFP_KERNEL); > > In request function, you should use GFP_ATOMIC >
this is new to me, can i know why it should be GFP_ATOMIC? -- Regards, Peter Teoh -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to [email protected] Please read the FAQ at http://kernelnewbies.org/FAQ
