2 * include/asm-s390/mmu_context.h
6 * Derived from "include/asm-i386/mmu_context.h"
9 #ifndef __S390_MMU_CONTEXT_H
10 #define __S390_MMU_CONTEXT_H
13 * get a new mmu context.. S390 don't know about contexts.
15 #define init_new_context(tsk,mm) 0
17 #define destroy_context(mm) flush_tlb_mm(mm)
19 static inline void enter_lazy_tlb(struct mm_struct *mm,
20 struct task_struct *tsk, unsigned cpu)
24 static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
25 struct task_struct *tsk, unsigned cpu)
30 pgd = (__pa(next->pgd)&PAGE_MASK) | (_REGION_TABLE|USER_STD_MASK);
31 /* Load page tables */
32 asm volatile(" lctlg 7,7,%0\n" /* secondary space */
33 " lctlg 13,13,%0\n" /* home space */
36 set_bit(cpu, &next->cpu_vm_mask);
39 extern inline void activate_mm(struct mm_struct *prev,
40 struct mm_struct *next)
42 switch_mm(prev, next, current, smp_processor_id());