int preempt_count; /* 0 => preemptable, <0 => BUG */
mm_segment_t addr_limit; /* thread address space:
- 0-0xBFFFFFFF for user-thead
- 0-0xFFFFFFFF for kernel-thread
- */
+ * 0-0xBFFFFFFF for user-thead
+ * 0-0xFFFFFFFF for kernel-thread
+ */
struct restart_block restart_block;
__u8 supervisor_stack[0];