--- zzzz-none-000/linux-5.4.213/init/main.c	2022-09-15 10:04:56.000000000 +0000
+++ alder-5690pro-762/linux-5.4.213/init/main.c	2024-08-14 09:02:11.000000000 +0000
@@ -367,6 +367,29 @@
 static inline void smp_prepare_cpus(unsigned int maxcpus) { }
 #endif
 
+#ifdef CONFIG_MANGLE_BOOTARGS
+static void __init mangle_bootargs(char *command_line)
+{
+	char *rootdev;
+	char *rootfs;
+
+	rootdev = strstr(command_line, "root=/dev/mtdblock");
+
+	if (rootdev)
+		strncpy(rootdev, "mangled_rootblock=", 18);
+
+	rootfs = strstr(command_line, "rootfstype");
+
+	if (rootfs)
+		strncpy(rootfs, "mangled_fs", 10);
+
+}
+#else
+static void __init mangle_bootargs(char *command_line)
+{
+}
+#endif
+
 /*
  * We need to store the untouched command line for future reference.
  * We also need to store the touched command line since the parameter
@@ -561,6 +584,7 @@
 	kmemleak_init();
 	pgtable_init();
 	debug_objects_mem_init();
+	debug_mem_usage_init();
 	vmalloc_init();
 	ioremap_huge_init();
 	/* Should be run before the first non-init thread is created */
@@ -597,6 +621,7 @@
 	pr_notice("%s", linux_banner);
 	early_security_init();
 	setup_arch(&command_line);
+	mangle_bootargs(command_line);
 	setup_command_line(command_line);
 	setup_nr_cpu_ids();
 	setup_per_cpu_areas();