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 <linux/init.h>
- #include <asm/uaccess.h>
- #include <asm/pgtable.h>
- #include <asm/pgalloc.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);
- /*
- * Initial task structure.
- *
- * We need to make sure that this is 16384-byte aligned due to the
- * way process stacks are handled. This is done by having a special
- * "init_task" linker map entry..
- */
- unsigned char interrupt_stack[ISTACK_SIZE] __attribute__ ((section("init_istack"), aligned(4096)));
- union task_union init_task_union
- __attribute__((section("init_task"), aligned(4096))) = { INIT_TASK(init_task_union.task) };
- pgd_t swapper_pg_dir[PTRS_PER_PGD] __attribute__ ((aligned(4096))) = { {0}, };
- #ifdef __LP64__
- unsigned long pmd0[PTRS_PER_PMD] __attribute__ ((aligned(4096))) = { 0, };
- #endif
- unsigned long pg0[PT_INITIAL * PTRS_PER_PTE] __attribute__ ((aligned(4096))) = { 0, };