__check_object_size  112 include/linux/thread_info.h extern void __check_object_size(const void *ptr, unsigned long n,
__check_object_size  119 include/linux/thread_info.h 		__check_object_size(ptr, n, to_user);
__check_object_size  291 mm/usercopy.c  EXPORT_SYMBOL(__check_object_size);