fault_in_pages_writeable  198 arch/x86/kernel/fpu/signal.c 		if (!fault_in_pages_writeable(buf_fx, fpu_user_xstate_size))
fault_in_pages_writeable  177 lib/iov_iter.c 	if (IS_ENABLED(CONFIG_HIGHMEM) && !fault_in_pages_writeable(buf, copy)) {