On 2019/2/16 16:46, Gao Xiang wrote: > page_private(page) cannot be changed if page lock is taken. > > Besides, the corresponding workgroup won't be freed > if the page is already protected by page lock, therefore > no need to take rcu read lock. > > Signed-off-by: Gao Xiang <gaoxiang25@xxxxxxxxxx> Reviewed-by: Chao Yu <yuchao0@xxxxxxxxxx> Thanks, _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel