copy_user_diag 651 arch/x86/include/asm/uaccess.h # define copy_user_diag __compiletime_error copy_user_diag 653 arch/x86/include/asm/uaccess.h # define copy_user_diag __compiletime_warning copy_user_diag 656 arch/x86/include/asm/uaccess.h extern void copy_user_diag("copy_from_user() buffer size is too small")