#include #include #include #include #include #include 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 = { [0 ... NR_CPUS-1] = INIT_TSS };