init_task.c

来自「Linux内核源代码 为压缩文件 是<<Linux内核>&gt」· C语言 代码 · 共 30 行

/*
 *  linux/arch/arm/kernel/init_task.c
 */
#include <linux/mm.h>
#include <linux/fs.h>
#include <linux/sched.h>
#include <linux/init.h>

#include <asm/uaccess.h>
#include <asm/pgtable.h>

static struct vm_area_struct init_mmap = INIT_MMAP;
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);

/*
 * Initial task structure.
 *
 * We need to make sure that this is 8192-byte aligned due to the
 * way process stacks are handled. This is done by making sure
 * the linker maps this in the .text segment right after head.S,
 * and making head.S ensure the proper alignment.
 *
 * The things we do for performance..
 */
union task_union init_task_union __attribute__((__section__(".init.task"))) =
		{ INIT_TASK(init_task_union.task) };