On 2018/4/9 22:42, Eric Dumazet wrote:
On 04/09/2018 07:10 AM, Jia-Ju Bai wrote:dccp_init() is never called in atomic context. This function is only set as a parameter of module_init(). Despite never getting called from atomic context, dccp_init() calls __get_free_pages() with GFP_ATOMIC, which waits busily for allocation.What do you mean by "waits busily" ? GFP_ATOMIC does not sleep, does not wait.
Sorry, I should modify it to "does not sleep". Do you think it is okay? Best wishes, Jia-Ju Bai
