I tried it, still the same thing. 
Also, there is another side effect that if I call the two lines of code above, the internet connection seems to break except to localhost. 


On Thu, Dec 26, 2013 at 10:24 PM, bill4carson <bill4carson@gmail.com> wrote:


On 2013年12月27日 11:16, Guibin(Bill) Tian wrote:
Hi,
I am doing a very simple operation at the method of ip_queue_xmit in ip_output.c.
The code is very simple.

char *p = kmalloc(48, GFP_KERNEL);
                         ^^^^^^^^
                        GFP_ATOMIC ?
--
八百里秦川尘土飞扬,三千万老陕齐吼秦腔。

--bill