diff --git a/arch/um/include/kern.h b/arch/um/include/kern.h
index 1e31707..7d223be 100644
--- a/arch/um/include/kern.h
+++ b/arch/um/include/kern.h
@@ -17,7 +17,7 @@
 
 extern int clone(int (*proc)(void *), void *sp, int flags, void *data);
 extern int sleep(int);
-extern int printf(char *fmt, ...);
+extern int printf(const char *fmt, ...);
 extern char *strerror(int errnum);
 extern char *ptsname(int __fd);
 extern int munmap(void *, int);
@@ -35,15 +35,6 @@
 extern int pipe(int *);
 extern int sched_yield(void);
 extern int ptrace(int op, int pid, long addr, long data);
+
 #endif
 
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only.  This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/include/os.h b/arch/um/include/os.h
index 2cccfa5..258444e 100644
--- a/arch/um/include/os.h
+++ b/arch/um/include/os.h
@@ -213,15 +213,10 @@
 			     int stack_order);
 extern int helper_wait(int pid);
 
-#endif
+/* umid.c */
 
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only.  This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
+extern int umid_file_name(char *name, char *buf, int len);
+extern int set_umid(char *name, int (*printer)(const char *fmt, ...));
+extern char *get_umid(int only_if_set);
+
+#endif
diff --git a/arch/um/kernel/Makefile b/arch/um/kernel/Makefile
index 3de9d21..6f77005 100644
--- a/arch/um/kernel/Makefile
+++ b/arch/um/kernel/Makefile
@@ -10,8 +10,8 @@
 	init_task.o irq.o irq_user.o ksyms.o mem.o physmem.o \
 	process_kern.o ptrace.o reboot.o resource.o sigio_user.o sigio_kern.o \
 	signal_kern.o signal_user.o smp.o syscall_kern.o sysrq.o time.o \
-	time_kern.o tlb.o trap_kern.o trap_user.o uaccess.o um_arch.o \
-	umid.o user_util.o
+	time_kern.o tlb.o trap_kern.o trap_user.o uaccess.o um_arch.o umid.o \
+	user_util.o
 
 obj-$(CONFIG_BLK_DEV_INITRD) += initrd.o
 obj-$(CONFIG_GPROF)	+= gprof_syms.o
@@ -24,7 +24,7 @@
 
 user-objs-$(CONFIG_TTY_LOG) += tty_log.o
 
-USER_OBJS := $(user-objs-y) config.o time.o tty_log.o umid.o user_util.o
+USER_OBJS := $(user-objs-y) config.o time.o tty_log.o user_util.o
 
 include arch/um/scripts/Makefile.rules
 
diff --git a/arch/um/kernel/process_kern.c b/arch/um/kernel/process_kern.c
index 34b54a3..651abf2 100644
--- a/arch/um/kernel/process_kern.c
+++ b/arch/um/kernel/process_kern.c
@@ -324,10 +324,6 @@
 	return(stack != (unsigned long) current_thread);
 }
 
-extern void remove_umid_dir(void);
-
-__uml_exitcall(remove_umid_dir);
-
 extern exitcall_t __uml_exitcall_begin, __uml_exitcall_end;
 
 void do_uml_exitcalls(void)
diff --git a/arch/um/kernel/umid.c b/arch/um/kernel/umid.c
index 0b21d59..772c7cf 100644
--- a/arch/um/kernel/umid.c
+++ b/arch/um/kernel/umid.c
@@ -3,61 +3,34 @@
  * Licensed under the GPL
  */
 
-#include <stdio.h>
-#include <unistd.h>
-#include <errno.h>
-#include <string.h>
-#include <stdlib.h>
-#include <dirent.h>
-#include <signal.h>
-#include <sys/stat.h>
-#include <sys/param.h>
-#include "user.h"
-#include "umid.h"
+#include "linux/stddef.h"
+#include "linux/kernel.h"
+#include "asm/errno.h"
 #include "init.h"
 #include "os.h"
-#include "user_util.h"
-#include "choose-mode.h"
+#include "kern.h"
 
-#define UMID_LEN 64
-#define UML_DIR "~/.uml/"
-
-/* Changed by set_umid and make_umid, which are run early in boot */
-static char umid[UMID_LEN] = { 0 };
-
-/* Changed by set_uml_dir and make_uml_dir, which are run early in boot */
-static char *uml_dir = UML_DIR;
-
-/* Changed by set_umid */
-static int umid_is_random = 1;
+/* Changed by set_umid_arg and umid_file_name */
+int umid_is_random = 0;
 static int umid_inited = 0;
-/* Have we created the files? Should we remove them? */
-static int umid_owned = 0;
-
-static int make_umid(int (*printer)(const char *fmt, ...));
-
-static int __init set_umid(char *name, int is_random,
-			   int (*printer)(const char *fmt, ...))
-{
-	if(umid_inited){
-		(*printer)("Unique machine name can't be set twice\n");
-		return(-1);
-	}
-
-	if(strlen(name) > UMID_LEN - 1)
-		(*printer)("Unique machine name is being truncated to %d "
-			   "characters\n", UMID_LEN);
-	strlcpy(umid, name, sizeof(umid));
-
-	umid_is_random = is_random;
-	umid_inited = 1;
-	return 0;
-}
 
 static int __init set_umid_arg(char *name, int *add)
 {
+	int err;
+
+	if(umid_inited)
+		return 0;
+
 	*add = 0;
-	return(set_umid(name, 0, printf));
+	err = set_umid(name, printf);
+	if(err == -EEXIST){
+		printf("umid '%s' already in use\n", name);
+		umid_is_random = 1;
+	}
+	else if(!err)
+		umid_inited = 1;
+
+	return 0;
 }
 
 __uml_setup("umid=", set_umid_arg,
@@ -66,265 +39,3 @@
 "    is used for naming the pid file and management console socket.\n\n"
 );
 
-int __init umid_file_name(char *name, char *buf, int len)
-{
-	int n;
-
-	if(!umid_inited && make_umid(printk)) return(-1);
-
-	n = strlen(uml_dir) + strlen(umid) + strlen(name) + 1;
-	if(n > len){
-		printk("umid_file_name : buffer too short\n");
-		return(-1);
-	}
-
-	sprintf(buf, "%s%s/%s", uml_dir, umid, name);
-	return(0);
-}
-
-extern int tracing_pid;
-
-static void __init create_pid_file(void)
-{
-	char file[strlen(uml_dir) + UMID_LEN + sizeof("/pid\0")];
-	char pid[sizeof("nnnnn\0")];
-	int fd, n;
-
-	if(umid_file_name("pid", file, sizeof(file)))
-		return;
-
-	fd = os_open_file(file, of_create(of_excl(of_rdwr(OPENFLAGS()))), 
-			  0644);
-	if(fd < 0){
-		printf("Open of machine pid file \"%s\" failed: %s\n",
-		       file, strerror(-fd));
-		return;
-	}
-
-	sprintf(pid, "%d\n", os_getpid());
-	n = os_write_file(fd, pid, strlen(pid));
-	if(n != strlen(pid))
-		printf("Write of pid file failed - err = %d\n", -n);
-	os_close_file(fd);
-}
-
-static int actually_do_remove(char *dir)
-{
-	DIR *directory;
-	struct dirent *ent;
-	int len;
-	char file[256];
-
-	directory = opendir(dir);
-	if(directory == NULL){
-		printk("actually_do_remove : couldn't open directory '%s', "
-		       "errno = %d\n", dir, errno);
-		return(1);
-	}
-	while((ent = readdir(directory)) != NULL){
-		if(!strcmp(ent->d_name, ".") || !strcmp(ent->d_name, ".."))
-			continue;
-		len = strlen(dir) + sizeof("/") + strlen(ent->d_name) + 1;
-		if(len > sizeof(file)){
-			printk("Not deleting '%s' from '%s' - name too long\n",
-			       ent->d_name, dir);
-			continue;
-		}
-		sprintf(file, "%s/%s", dir, ent->d_name);
-		if(unlink(file) < 0){
-			printk("actually_do_remove : couldn't remove '%s' "
-			       "from '%s', errno = %d\n", ent->d_name, dir, 
-			       errno);
-			return(1);
-		}
-	}
-	if(rmdir(dir) < 0){
-		printk("actually_do_remove : couldn't rmdir '%s', "
-		       "errno = %d\n", dir, errno);
-		return(1);
-	}
-	return(0);
-}
-
-void remove_umid_dir(void)
-{
-	char dir[strlen(uml_dir) + UMID_LEN + 1];
-	if (!umid_owned)
-		return;
-
-	sprintf(dir, "%s%s", uml_dir, umid);
-	actually_do_remove(dir);
-}
-
-char *get_umid(int only_if_set)
-{
-	if(only_if_set && umid_is_random)
-		return NULL;
-	return umid;
-}
-
-static int not_dead_yet(char *dir)
-{
-	char file[strlen(uml_dir) + UMID_LEN + sizeof("/pid\0")];
-	char pid[sizeof("nnnnn\0")], *end;
-	int dead, fd, p, n;
-
-	sprintf(file, "%s/pid", dir);
-	dead = 0;
-	fd = os_open_file(file, of_read(OPENFLAGS()), 0);
-	if(fd < 0){
-		if(fd != -ENOENT){
-			printk("not_dead_yet : couldn't open pid file '%s', "
-			       "err = %d\n", file, -fd);
-			return(1);
-		}
-		dead = 1;
-	}
-	if(fd > 0){
-		n = os_read_file(fd, pid, sizeof(pid));
-		if(n < 0){
-			printk("not_dead_yet : couldn't read pid file '%s', "
-			       "err = %d\n", file, -n);
-			return(1);
-		}
-		p = strtoul(pid, &end, 0);
-		if(end == pid){
-			printk("not_dead_yet : couldn't parse pid file '%s', "
-			       "errno = %d\n", file, errno);
-			dead = 1;
-		}
-		if(((kill(p, 0) < 0) && (errno == ESRCH)) ||
-		   (p == CHOOSE_MODE(tracing_pid, os_getpid())))
-			dead = 1;
-	}
-	if(!dead)
-		return(1);
-	return(actually_do_remove(dir));
-}
-
-static int __init set_uml_dir(char *name, int *add)
-{
-	if((strlen(name) > 0) && (name[strlen(name) - 1] != '/')){
-		uml_dir = malloc(strlen(name) + 2);
-		if(uml_dir == NULL){
-			printf("Failed to malloc uml_dir - error = %d\n",
-			       errno);
-			uml_dir = name;
-			/* Return 0 here because do_initcalls doesn't look at
-			 * the return value.
-			 */
-			return(0);
-		}
-		sprintf(uml_dir, "%s/", name);
-	}
-	else uml_dir = name;
-	return(0);
-}
-
-static int __init make_uml_dir(void)
-{
-	char dir[MAXPATHLEN + 1] = { '\0' };
-	int len;
-
-	if(*uml_dir == '~'){
-		char *home = getenv("HOME");
-
-		if(home == NULL){
-			printf("make_uml_dir : no value in environment for "
-			       "$HOME\n");
-			exit(1);
-		}
-		strlcpy(dir, home, sizeof(dir));
-		uml_dir++;
-	}
-	strlcat(dir, uml_dir, sizeof(dir));
-	len = strlen(dir);
-	if (len > 0 && dir[len - 1] != '/')
-		strlcat(dir, "/", sizeof(dir));
-
-	uml_dir = malloc(strlen(dir) + 1);
-	if (uml_dir == NULL) {
-		printf("make_uml_dir : malloc failed, errno = %d\n", errno);
-		exit(1);
-	}
-	strcpy(uml_dir, dir);
-	
-	if((mkdir(uml_dir, 0777) < 0) && (errno != EEXIST)){
-	        printf("Failed to mkdir %s: %s\n", uml_dir, strerror(errno));
-		return(-1);
-	}
-	return 0;
-}
-
-static int __init make_umid(int (*printer)(const char *fmt, ...))
-{
-	int fd, err;
-	char tmp[strlen(uml_dir) + UMID_LEN + 1];
-
-	strlcpy(tmp, uml_dir, sizeof(tmp));
-
-	if(!umid_inited){
-		strcat(tmp, "XXXXXX");
-		fd = mkstemp(tmp);
-		if(fd < 0){
-			(*printer)("make_umid - mkstemp(%s) failed: %s\n",
-				   tmp,strerror(errno));
-			return(1);
-		}
-
-		os_close_file(fd);
-		/* There's a nice tiny little race between this unlink and
-		 * the mkdir below.  It'd be nice if there were a mkstemp
-		 * for directories.
-		 */
-		unlink(tmp);
-		set_umid(&tmp[strlen(uml_dir)], 1, printer);
-	}
-	
-	sprintf(tmp, "%s%s", uml_dir, umid);
-
-	err = mkdir(tmp, 0777);
-	if(err < 0){
-		if(errno == EEXIST){
-			if(not_dead_yet(tmp)){
-				(*printer)("umid '%s' is in use\n", umid);
-				umid_owned = 0;
-				return(-1);
-			}
-			err = mkdir(tmp, 0777);
-		}
-	}
-	if(err < 0){
-		(*printer)("Failed to create %s - errno = %d\n", umid, errno);
-		return(-1);
-	}
-
-	umid_owned = 1;
-	return 0;
-}
-
-__uml_setup("uml_dir=", set_uml_dir,
-"uml_dir=<directory>\n"
-"    The location to place the pid and umid files.\n\n"
-);
-
-static int __init make_umid_setup(void)
-{
-	/* one function with the ordering we need ... */
-	make_uml_dir();
-	make_umid(printf);
-	create_pid_file();
-	return 0;
-}
-__uml_postsetup(make_umid_setup);
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only.  This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/os-Linux/Makefile b/arch/um/os-Linux/Makefile
index b83ac8e..11e30b13 100644
--- a/arch/um/os-Linux/Makefile
+++ b/arch/um/os-Linux/Makefile
@@ -4,11 +4,11 @@
 #
 
 obj-y = aio.o elf_aux.o file.o helper.o main.o mem.o process.o signal.o \
-	start_up.o time.o tt.o tty.o uaccess.o user_syms.o drivers/ \
+	start_up.o time.o tt.o tty.o uaccess.o umid.o user_syms.o drivers/ \
 	sys-$(SUBARCH)/
 
 USER_OBJS := aio.o elf_aux.o file.o helper.o main.o mem.o process.o signal.o \
-	start_up.o time.o tt.o tty.o uaccess.o
+	start_up.o time.o tt.o tty.o uaccess.o umid.o
 
 elf_aux.o: $(ARCH_DIR)/kernel-offsets.h
 CFLAGS_elf_aux.o += -I$(objtree)/arch/um
diff --git a/arch/um/os-Linux/umid.c b/arch/um/os-Linux/umid.c
new file mode 100644
index 0000000..77d69a3
--- /dev/null
+++ b/arch/um/os-Linux/umid.c
@@ -0,0 +1,292 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <signal.h>
+#include <dirent.h>
+#include <sys/stat.h>
+#include <sys/param.h>
+#include "init.h"
+#include "os.h"
+#include "user.h"
+#include "mode.h"
+
+#define UML_DIR "~/.uml/"
+
+#define UMID_LEN 64
+
+/* Changed by set_umid, which is run early in boot */
+char umid[UMID_LEN] = { 0 };
+
+/* Changed by set_uml_dir and make_uml_dir, which are run early in boot */
+static char *uml_dir = UML_DIR;
+
+static int __init make_uml_dir(void)
+{
+	char dir[512] = { '\0' };
+	int len;
+
+	if(*uml_dir == '~'){
+		char *home = getenv("HOME");
+
+		if(home == NULL){
+			printf("make_uml_dir : no value in environment for "
+			       "$HOME\n");
+			exit(1);
+		}
+		strlcpy(dir, home, sizeof(dir));
+		uml_dir++;
+	}
+	strlcat(dir, uml_dir, sizeof(dir));
+	len = strlen(dir);
+	if (len > 0 && dir[len - 1] != '/')
+		strlcat(dir, "/", sizeof(dir));
+
+	uml_dir = malloc(strlen(dir) + 1);
+	if (uml_dir == NULL) {
+		printf("make_uml_dir : malloc failed, errno = %d\n", errno);
+		exit(1);
+	}
+	strcpy(uml_dir, dir);
+
+	if((mkdir(uml_dir, 0777) < 0) && (errno != EEXIST)){
+	        printf("Failed to mkdir '%s': %s\n", uml_dir, strerror(errno));
+		return(-1);
+	}
+	return 0;
+}
+
+static int actually_do_remove(char *dir)
+{
+	DIR *directory;
+	struct dirent *ent;
+	int len;
+	char file[256];
+
+	directory = opendir(dir);
+	if(directory == NULL){
+		printk("actually_do_remove : couldn't open directory '%s', "
+		       "errno = %d\n", dir, errno);
+		return(1);
+	}
+	while((ent = readdir(directory)) != NULL){
+		if(!strcmp(ent->d_name, ".") || !strcmp(ent->d_name, ".."))
+			continue;
+		len = strlen(dir) + sizeof("/") + strlen(ent->d_name) + 1;
+		if(len > sizeof(file)){
+			printk("Not deleting '%s' from '%s' - name too long\n",
+			       ent->d_name, dir);
+			continue;
+		}
+		sprintf(file, "%s/%s", dir, ent->d_name);
+		if(unlink(file) < 0){
+			printk("actually_do_remove : couldn't remove '%s' "
+			       "from '%s', errno = %d\n", ent->d_name, dir,
+			       errno);
+			return(1);
+		}
+	}
+	if(rmdir(dir) < 0){
+		printk("actually_do_remove : couldn't rmdir '%s', "
+		       "errno = %d\n", dir, errno);
+		return(1);
+	}
+	return(0);
+}
+
+extern int tracing_pid;
+
+static int not_dead_yet(char *dir)
+{
+	char file[strlen(uml_dir) + UMID_LEN + sizeof("/pid\0")];
+	char pid[sizeof("nnnnn\0")], *end;
+	int dead, fd, p, n;
+
+	sprintf(file, "%s/pid", dir);
+	dead = 0;
+	fd = os_open_file(file, of_read(OPENFLAGS()), 0);
+	if(fd < 0){
+		if(fd != -ENOENT){
+			printk("not_dead_yet : couldn't open pid file '%s', "
+			       "err = %d\n", file, -fd);
+			return(1);
+		}
+		dead = 1;
+	}
+	if(fd > 0){
+		n = os_read_file(fd, pid, sizeof(pid));
+		if(n < 0){
+			printk("not_dead_yet : couldn't read pid file '%s', "
+			       "err = %d\n", file, -n);
+			return(1);
+		}
+		p = strtoul(pid, &end, 0);
+		if(end == pid){
+			printk("not_dead_yet : couldn't parse pid file '%s', "
+			       "errno = %d\n", file, errno);
+			dead = 1;
+		}
+		if(((kill(p, 0) < 0) && (errno == ESRCH)) ||
+		   (p == CHOOSE_MODE(tracing_pid, os_getpid())))
+			dead = 1;
+	}
+	if(!dead)
+		return(1);
+	return(actually_do_remove(dir));
+}
+
+static void __init create_pid_file(void)
+{
+	char file[strlen(uml_dir) + UMID_LEN + sizeof("/pid\0")];
+	char pid[sizeof("nnnnn\0")];
+	int fd, n;
+
+	if(umid_file_name("pid", file, sizeof(file)))
+		return;
+
+	fd = os_open_file(file, of_create(of_excl(of_rdwr(OPENFLAGS()))),
+			  0644);
+	if(fd < 0){
+		printf("Open of machine pid file \"%s\" failed: %s\n",
+		       file, strerror(-fd));
+		return;
+	}
+
+	sprintf(pid, "%d\n", os_getpid());
+	n = os_write_file(fd, pid, strlen(pid));
+	if(n != strlen(pid))
+		printf("Write of pid file failed - err = %d\n", -n);
+	os_close_file(fd);
+}
+
+int __init set_umid(char *name, int (*printer)(const char *fmt, ...))
+{
+	if(strlen(name) > UMID_LEN - 1)
+		(*printer)("Unique machine name is being truncated to %d "
+			   "characters\n", UMID_LEN);
+	strlcpy(umid, name, sizeof(umid));
+
+	return 0;
+}
+
+static int umid_setup = 0;
+
+int __init make_umid(int (*printer)(const char *fmt, ...))
+{
+	int fd, err;
+	char tmp[256];
+
+	make_uml_dir();
+
+	if(*umid == '\0'){
+		strlcpy(tmp, uml_dir, sizeof(tmp));
+		strcat(tmp, "XXXXXX");
+		fd = mkstemp(tmp);
+		if(fd < 0){
+			(*printer)("make_umid - mkstemp(%s) failed: %s\n",
+				   tmp,strerror(errno));
+			return(1);
+		}
+
+		os_close_file(fd);
+		/* There's a nice tiny little race between this unlink and
+		 * the mkdir below.  It'd be nice if there were a mkstemp
+		 * for directories.
+		 */
+		unlink(tmp);
+		set_umid(&tmp[strlen(uml_dir)], printer);
+	}
+
+	sprintf(tmp, "%s%s", uml_dir, umid);
+	err = mkdir(tmp, 0777);
+	if(err < 0){
+		if(errno == EEXIST){
+			if(not_dead_yet(tmp))
+				return -EEXIST;
+			err = mkdir(tmp, 0777);
+		}
+	}
+	if(err < 0){
+		(*printer)("Failed to create %s - errno = %d\n", umid, errno);
+		return(-1);
+	}
+
+	umid_setup = 1;
+
+	create_pid_file();
+
+	return 0;
+}
+
+static int __init make_umid_init(void)
+{
+	make_umid(printk);
+
+	return(0);
+}
+
+__initcall(make_umid_init);
+
+int __init umid_file_name(char *name, char *buf, int len)
+{
+	int n, err;
+
+	if(!umid_setup){
+		err = make_umid(printk);
+		if(err)
+			return err;
+	}
+
+	n = strlen(uml_dir) + strlen(umid) + strlen("/") + strlen(name) + 1;
+	if(n > len){
+		printk("umid_file_name : buffer too short\n");
+		return(-1);
+	}
+
+	sprintf(buf, "%s%s/%s", uml_dir, umid, name);
+	return(0);
+}
+
+extern int umid_is_random;
+
+char *get_umid(int only_if_set)
+{
+	if(only_if_set && umid_is_random)
+		return NULL;
+	return umid;
+}
+
+static int __init set_uml_dir(char *name, int *add)
+{
+	if((strlen(name) > 0) && (name[strlen(name) - 1] != '/')){
+		uml_dir = malloc(strlen(name) + 2);
+		if(uml_dir == NULL){
+			printf("Failed to malloc uml_dir - error = %d\n",
+			       errno);
+			uml_dir = name;
+			/* Return 0 here because do_initcalls doesn't look at
+			 * the return value.
+			 */
+			return(0);
+		}
+		sprintf(uml_dir, "%s/", name);
+	}
+	else uml_dir = name;
+	return(0);
+}
+
+__uml_setup("uml_dir=", set_uml_dir,
+"uml_dir=<directory>\n"
+"    The location to place the pid and umid files.\n\n"
+);
+
+static void remove_umid_dir(void)
+{
+	char dir[strlen(uml_dir) + UMID_LEN + 1];
+
+	sprintf(dir, "%s%s", uml_dir, umid);
+	actually_do_remove(dir);
+}
+
+__uml_exitcall(remove_umid_dir);