| #include <linux/mm.h> |
| #include <linux/sched.h> |
| #include <linux/init.h> |
| #include <linux/config.h> |
| |
| #include <asm/uaccess.h> |
| #include <asm/pgtable.h> |
| #include <asm/desc.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 8192-byte aligned due to the |
| * way process stacks are handled. This is done by having a special |
| * "init_task" linker map entry.. |
| */ |
| union task_union init_task_union |
| __attribute__((__section__(".data.init_task"))) = |
| { INIT_TASK(init_task_union.task) }; |
| |
| /* |
| * per-CPU TSS segments. Threads are completely 'soft' on Linux, |
| * no more per-task TSS's. The TSS size is kept cacheline-aligned |
| * so they are allowed to end up in the .data.cacheline_aligned |
| * section. Since TSS's are completely CPU-local, we want them |
| * on exact cacheline boundaries, to eliminate cacheline ping-pong. |
| */ |
| struct tss_struct init_tss[NR_CPUS] __cacheline_aligned; |
| |
| |
| #define ALIGN_TO_4K __attribute__((section(".data.init_task"))) |
| |
| pgd_t boot_vmalloc_pgt[512] ALIGN_TO_4K; |
