// SPDX-License-Identifier: GPL-2.0-only/* *  linux/init/version.c * *  Copyright (C) 1992  Theodore Ts'o * *  May be freely distributed as part of Linux. */ #include <generated/compile.h>#include <linux/build-salt.h>#include <linux/elfnote-lto.h>#include <linux/export.h>#include <linux/init.h>#include <linux/printk.h>#include <linux/uts.h>#include <linux/utsname.h>#include <generated/utsrelease.h>#include <linux/proc_ns.h> static int __init early_hostname(char *arg){	size_t bufsize = sizeof(init_uts_ns.name.nodename);	size_t maxlen  = bufsize - 1;	size_t arglen; 	arglen = strlcpy(init_uts_ns.name.nodename, arg, bufsize);	if (arglen > maxlen) {		pr_warn("hostname parameter exceeds %zd characters and will be truncated",			maxlen);	}	return 0;}early_param("hostname", early_hostname); const char linux_proc_banner[] =	"%s version %s"	" (" LINUX_COMPILE_BY "@" LINUX_COMPILE_HOST ")"	" (" LINUX_COMPILER ") %s\n"; BUILD_SALT;BUILD_LTO_INFO; /* * init_uts_ns and linux_banner contain the build version and timestamp, * which are really fixed at the very last step of build process. * They are compiled with __weak first, and without __weak later. */ struct uts_namespace init_uts_ns __weak;const char linux_banner[] __weak; #include "version-timestamp.c" EXPORT_SYMBOL_GPL(init_uts_ns);