-static inline void set_user_cs(struct desc_struct *desc, unsigned long limit)
-{
- limit = (limit - 1) / PAGE_SIZE;
- desc->a = limit & 0xffff;
- desc->b = (limit & 0xf0000) | 0x00c0fb00;
-}
-
-#define load_user_cs_desc(cpu, mm) \
- get_cpu_gdt_table(cpu)[GDT_ENTRY_DEFAULT_USER_CS] = (mm)->context.user_cs
-
-extern void arch_add_exec_range(struct mm_struct *mm, unsigned long limit);
-extern void arch_remove_exec_range(struct mm_struct *mm, unsigned long limit);
-extern void arch_flush_exec_range(struct mm_struct *mm);
-