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Diffstat (limited to 'arch/s390/include/asm/mmu_context.h')
-rw-r--r--arch/s390/include/asm/mmu_context.h33
1 files changed, 4 insertions, 29 deletions
diff --git a/arch/s390/include/asm/mmu_context.h b/arch/s390/include/asm/mmu_context.h
index 24bc41622a98..72e9ca83a668 100644
--- a/arch/s390/include/asm/mmu_context.h
+++ b/arch/s390/include/asm/mmu_context.h
@@ -12,6 +12,7 @@
#include <linux/mm_types.h>
#include <asm/tlbflush.h>
#include <asm/ctl_reg.h>
+#include <asm-generic/mm_hooks.h>
static inline int init_new_context(struct task_struct *tsk,
struct mm_struct *mm)
@@ -33,7 +34,7 @@ static inline int init_new_context(struct task_struct *tsk,
mm->context.use_cmma = 0;
#endif
switch (mm->context.asce_limit) {
- case 1UL << 42:
+ case _REGION2_SIZE:
/*
* forked 3-level task, fall through to set new asce with new
* mm->pgd
@@ -49,12 +50,12 @@ static inline int init_new_context(struct task_struct *tsk,
mm->context.asce = __pa(mm->pgd) | _ASCE_TABLE_LENGTH |
_ASCE_USER_BITS | _ASCE_TYPE_REGION1;
break;
- case 1UL << 53:
+ case _REGION1_SIZE:
/* forked 4-level task, set new asce with new mm->pgd */
mm->context.asce = __pa(mm->pgd) | _ASCE_TABLE_LENGTH |
_ASCE_USER_BITS | _ASCE_TYPE_REGION2;
break;
- case 1UL << 31:
+ case _REGION3_SIZE:
/* forked 2-level compat task, set new asce with new mm->pgd */
mm->context.asce = __pa(mm->pgd) | _ASCE_TABLE_LENGTH |
_ASCE_USER_BITS | _ASCE_TYPE_SEGMENT;
@@ -138,30 +139,4 @@ static inline void activate_mm(struct mm_struct *prev,
set_user_asce(next);
}
-static inline void arch_dup_mmap(struct mm_struct *oldmm,
- struct mm_struct *mm)
-{
-}
-
-static inline void arch_exit_mmap(struct mm_struct *mm)
-{
-}
-
-static inline void arch_unmap(struct mm_struct *mm,
- struct vm_area_struct *vma,
- unsigned long start, unsigned long end)
-{
-}
-
-static inline void arch_bprm_mm_init(struct mm_struct *mm,
- struct vm_area_struct *vma)
-{
-}
-
-static inline bool arch_vma_access_permitted(struct vm_area_struct *vma,
- bool write, bool execute, bool foreign)
-{
- /* by default, allow everything */
- return true;
-}
#endif /* __S390_MMU_CONTEXT_H */