memsw: remove noswapaccount kernel parameter

[linux.git] / arch / s390 / include / asm / pgalloc.h

diff --git a/arch/s390/include/asm/pgalloc.h b/arch/s390/include/asm/pgalloc.h
index 082eb4e50e8b3f53a59cc8343e619bfc6a60b6cc..f6314af3b354ca4375547db504367bc547c351eb 100644 (file)
--- a/arch/s390/include/asm/pgalloc.h
+++ b/arch/s390/include/asm/pgalloc.h
@@ -19,14 +19,13 @@
 
 #define check_pgt_cache()      do {} while (0)
 
-unsigned long *crst_table_alloc(struct mm_struct *, int);
+unsigned long *crst_table_alloc(struct mm_struct *);
 void crst_table_free(struct mm_struct *, unsigned long *);
 void crst_table_free_rcu(struct mm_struct *, unsigned long *);
 
 unsigned long *page_table_alloc(struct mm_struct *);
 void page_table_free(struct mm_struct *, unsigned long *);
 void page_table_free_rcu(struct mm_struct *, unsigned long *);
-void disable_noexec(struct mm_struct *, struct task_struct *);
 
 static inline void clear_table(unsigned long *s, unsigned long val, size_t n)
 {
@@ -50,9 +49,6 @@ static inline void clear_table(unsigned long *s, unsigned long val, size_t n)
 static inline void crst_table_init(unsigned long *crst, unsigned long entry)
 {
        clear_table(crst, entry, sizeof(unsigned long)*2048);
-       crst = get_shadow_table(crst);
-       if (crst)
-               clear_table(crst, entry, sizeof(unsigned long)*2048);
 }
 
 #ifndef __s390x__
@@ -69,10 +65,7 @@ static inline unsigned long pgd_entry_type(struct mm_struct *mm)
 #define pmd_free(mm, x)                                do { } while (0)
 
 #define pgd_populate(mm, pgd, pud)             BUG()
-#define pgd_populate_kernel(mm, pgd, pud)      BUG()
-
 #define pud_populate(mm, pud, pmd)             BUG()
-#define pud_populate_kernel(mm, pud, pmd)      BUG()
 
 #else /* __s390x__ */
 
@@ -90,7 +83,7 @@ void crst_table_downgrade(struct mm_struct *, unsigned long limit);
 
 static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long address)
 {
-       unsigned long *table = crst_table_alloc(mm, mm->context.noexec);
+       unsigned long *table = crst_table_alloc(mm);
        if (table)
                crst_table_init(table, _REGION3_ENTRY_EMPTY);
        return (pud_t *) table;
@@ -99,43 +92,21 @@ static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long address)
 
 static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long vmaddr)
 {
-       unsigned long *table = crst_table_alloc(mm, mm->context.noexec);
+       unsigned long *table = crst_table_alloc(mm);
        if (table)
                crst_table_init(table, _SEGMENT_ENTRY_EMPTY);
        return (pmd_t *) table;
 }
 #define pmd_free(mm, pmd) crst_table_free(mm, (unsigned long *) pmd)
 
-static inline void pgd_populate_kernel(struct mm_struct *mm,
-                                      pgd_t *pgd, pud_t *pud)
-{
-       pgd_val(*pgd) = _REGION2_ENTRY | __pa(pud);
-}
-
 static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgd, pud_t *pud)
 {
-       pgd_populate_kernel(mm, pgd, pud);
-       if (mm->context.noexec) {
-               pgd = get_shadow_table(pgd);
-               pud = get_shadow_table(pud);
-               pgd_populate_kernel(mm, pgd, pud);
-       }
-}
-
-static inline void pud_populate_kernel(struct mm_struct *mm,
-                                      pud_t *pud, pmd_t *pmd)
-{
-       pud_val(*pud) = _REGION3_ENTRY | __pa(pmd);
+       pgd_val(*pgd) = _REGION2_ENTRY | __pa(pud);
 }
 
 static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
 {
-       pud_populate_kernel(mm, pud, pmd);
-       if (mm->context.noexec) {
-               pud = get_shadow_table(pud);
-               pmd = get_shadow_table(pmd);
-               pud_populate_kernel(mm, pud, pmd);
-       }
+       pud_val(*pud) = _REGION3_ENTRY | __pa(pmd);
 }
 
 #endif /* __s390x__ */
@@ -143,29 +114,19 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
 static inline pgd_t *pgd_alloc(struct mm_struct *mm)
 {
        spin_lock_init(&mm->context.list_lock);
-       INIT_LIST_HEAD(&mm->context.crst_list);
        INIT_LIST_HEAD(&mm->context.pgtable_list);
-       return (pgd_t *)
-               crst_table_alloc(mm, user_mode == SECONDARY_SPACE_MODE);
+       return (pgd_t *) crst_table_alloc(mm);
 }
 #define pgd_free(mm, pgd) crst_table_free(mm, (unsigned long *) pgd)
 
-static inline void pmd_populate_kernel(struct mm_struct *mm,
-                                      pmd_t *pmd, pte_t *pte)
-{
-       pmd_val(*pmd) = _SEGMENT_ENTRY + __pa(pte);
-}
-
 static inline void pmd_populate(struct mm_struct *mm,
                                pmd_t *pmd, pgtable_t pte)
 {
-       pmd_populate_kernel(mm, pmd, pte);
-       if (mm->context.noexec) {
-               pmd = get_shadow_table(pmd);
-               pmd_populate_kernel(mm, pmd, pte + PTRS_PER_PTE);
-       }
+       pmd_val(*pmd) = _SEGMENT_ENTRY + __pa(pte);
 }
 
+#define pmd_populate_kernel(mm, pmd, pte) pmd_populate(mm, pmd, pte)
+
 #define pmd_pgtable(pmd) \
        (pgtable_t)(pmd_val(pmd) & -sizeof(pte_t)*PTRS_PER_PTE)