init_task.c
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:1k
- #include <linux/mm.h>
- #include <linux/sched.h>
- #include <asm/pgtable.h>
- #include <asm/uaccess.h>
- #include <asm/processor.h>
- static struct fs_struct init_fs = INIT_FS;
- static struct files_struct init_files = INIT_FILES;
- static struct signal_struct init_signals = INIT_SIGNALS;
- struct mm_struct init_mm = INIT_MM(init_mm);
- /* .text section in head.S is aligned at 2 page boundry and this gets linked
- * right after that so that the init_task_union is aligned properly as well.
- * We really don't need this special alignment like the Intel does, but
- * I do it anyways for completeness.
- */
- __asm__ (".text");
- union task_union init_task_union = { INIT_TASK(init_task_union.task) };
- /*
- * This is to make the init_task+stack of the right size for >8k pagesize.
- * The definition of task_union in sched.h makes it 16k wide.
- */
- #if PAGE_SHIFT != 13
- char init_task_stack[THREAD_SIZE - INIT_TASK_SIZE] = { 0 };
- #endif