[PATCH] uml: remove unused code

This removes two now unused files and a couple of unused functions.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/arch/um/kernel/initrd_kern.c b/arch/um/kernel/initrd_kern.c
deleted file mode 100644 (file)
index fc568af..0000000
--- a/arch/um/kernel/initrd_kern.c
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
- * Licensed under the GPL
- */
-
-#include "linux/init.h"
-#include "linux/bootmem.h"
-#include "linux/initrd.h"
-#include "asm/types.h"
-#include "user_util.h"
-#include "kern_util.h"
-#include "initrd.h"
-#include "init.h"
-#include "os.h"
-
-/* Changed by uml_initrd_setup, which is a setup */
-static char *initrd __initdata = NULL;
-
-static int __init read_initrd(void)
-{
-       void *area;
-       long long size;
-       int err;
-
-       if(initrd == NULL) return 0;
-       err = os_file_size(initrd, &size);
-       if(err) return 0;
-       area = alloc_bootmem(size);
-       if(area == NULL) return 0;
-       if(load_initrd(initrd, area, size) == -1) return 0;
-       initrd_start = (unsigned long) area;
-       initrd_end = initrd_start + size;
-       return 0;
-}
-
-__uml_postsetup(read_initrd);
-
-static int __init uml_initrd_setup(char *line, int *add)
-{
-       initrd = line;
-       return 0;
-}
-
-__uml_setup("initrd=", uml_initrd_setup, 
-"initrd=<initrd image>\n"
-"    This is used to boot UML from an initrd image.  The argument is the\n"
-"    name of the file containing the image.\n\n"
-);
-
-/*
- * 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/kernel/initrd_user.c b/arch/um/kernel/initrd_user.c
deleted file mode 100644 (file)
index cb90681..0000000
--- a/arch/um/kernel/initrd_user.c
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * Copyright (C) 2000, 2001 Jeff Dike (jdike@karaya.com)
- * Licensed under the GPL
- */
-
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <errno.h>
-
-#include "user_util.h"
-#include "kern_util.h"
-#include "user.h"
-#include "initrd.h"
-#include "os.h"
-
-int load_initrd(char *filename, void *buf, int size)
-{
-       int fd, n;
-
-       fd = os_open_file(filename, of_read(OPENFLAGS()), 0);
-       if(fd < 0){
-               printk("Opening '%s' failed - err = %d\n", filename, -fd);
-               return(-1);
-       }
-       n = os_read_file(fd, buf, size);
-       if(n != size){
-               printk("Read of %d bytes from '%s' failed, err = %d\n", size,
-                      filename, -n);
-               return(-1);
-       }
-
-       os_close_file(fd);
-       return(0);
-}
-
-/*
- * 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/kernel/process_kern.c b/arch/um/kernel/process_kern.c
index ccb6dd6..804c6bb 100644 (file)
--- a/arch/um/kernel/process_kern.c
+++ b/arch/um/kernel/process_kern.c
@@ -54,18 +54,6 @@
  */
 struct cpu_task cpu_tasks[NR_CPUS] = { [0 ... NR_CPUS - 1] = { -1, NULL } };
 
-struct task_struct *get_task(int pid, int require)
-{
-        struct task_struct *ret;
-
-        read_lock(&tasklist_lock);
-       ret = find_task_by_pid(pid);
-        read_unlock(&tasklist_lock);
-
-        if(require && (ret == NULL)) panic("get_task couldn't find a task\n");
-        return(ret);
-}
-
 int external_pid(void *t)
 {
        struct task_struct *task = t ? t : current;
@@ -210,11 +198,6 @@ int page_size(void)
        return(PAGE_SIZE);
 }
 
-unsigned long page_mask(void)
-{
-       return(PAGE_MASK);
-}
-
 void *um_virt_to_phys(struct task_struct *task, unsigned long addr, 
                      pte_t *pte_out)
 {
@@ -347,11 +330,6 @@ char *uml_strdup(char *string)
        return(new);
 }
 
-void *get_init_task(void)
-{
-       return(&init_thread_union.thread_info.task);
-}
-
 int copy_to_user_proc(void __user *to, void *from, int size)
 {
        return(copy_to_user(to, from, size));
@@ -478,15 +456,3 @@ unsigned long arch_align_stack(unsigned long sp)
        return sp & ~0xf;
 }
 #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:
- */