2 * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,intel.linux}.com)
3 * Licensed under the GPL
8 #include "linux/module.h"
9 #include "linux/sched.h"
10 #include "linux/init_task.h"
11 #include "linux/mqueue.h"
12 #include "asm/uaccess.h"
13 #include "asm/pgtable.h"
17 static struct fs_struct init_fs
= INIT_FS
;
18 struct mm_struct init_mm
= INIT_MM(init_mm
);
19 static struct files_struct init_files
= INIT_FILES
;
20 static struct signal_struct init_signals
= INIT_SIGNALS(init_signals
);
21 static struct sighand_struct init_sighand
= INIT_SIGHAND(init_sighand
);
22 EXPORT_SYMBOL(init_mm
);
25 * Initial task structure.
27 * All other task structs will be allocated on slabs in fork.c
30 struct task_struct init_task
= INIT_TASK(init_task
);
32 EXPORT_SYMBOL(init_task
);
35 * Initial thread structure.
37 * We need to make sure that this is aligned due to the
38 * way process stacks are handled. This is done by having a special
39 * "init_task" linker map entry..
42 union thread_union init_thread_union
43 __attribute__((__section__(".data.init_task"))) =
44 { INIT_THREAD_INFO(init_task
) };
46 union thread_union cpu0_irqstack
47 __attribute__((__section__(".data.init_irqstack"))) =
48 { INIT_THREAD_INFO(init_task
) };
50 void unprotect_stack(unsigned long stack
)
52 os_protect_memory((void *) stack
, THREAD_SIZE
, 1, 1, 0);