aboutsummaryrefslogtreecommitdiff
path: root/include/asm-s390/pgtable.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-s390/pgtable.h')
-rw-r--r--include/asm-s390/pgtable.h69
1 files changed, 35 insertions, 34 deletions
diff --git a/include/asm-s390/pgtable.h b/include/asm-s390/pgtable.h
index df94f89038c..859b5e96982 100644
--- a/include/asm-s390/pgtable.h
+++ b/include/asm-s390/pgtable.h
@@ -36,6 +36,7 @@
#include <linux/threads.h>
struct vm_area_struct; /* forward declaration (include/linux/mm.h) */
+struct mm_struct;
extern pgd_t swapper_pg_dir[] __attribute__ ((aligned (4096)));
extern void paging_init(void);
@@ -318,7 +319,7 @@ extern char empty_zero_page[PAGE_SIZE];
* within a page table are directly modified. Thus, the following
* hook is made available.
*/
-extern inline void set_pte(pte_t *pteptr, pte_t pteval)
+static inline void set_pte(pte_t *pteptr, pte_t pteval)
{
*pteptr = pteval;
}
@@ -329,63 +330,63 @@ extern inline void set_pte(pte_t *pteptr, pte_t pteval)
*/
#ifndef __s390x__
-extern inline int pgd_present(pgd_t pgd) { return 1; }
-extern inline int pgd_none(pgd_t pgd) { return 0; }
-extern inline int pgd_bad(pgd_t pgd) { return 0; }
+static inline int pgd_present(pgd_t pgd) { return 1; }
+static inline int pgd_none(pgd_t pgd) { return 0; }
+static inline int pgd_bad(pgd_t pgd) { return 0; }
-extern inline int pmd_present(pmd_t pmd) { return pmd_val(pmd) & _SEG_PRESENT; }
-extern inline int pmd_none(pmd_t pmd) { return pmd_val(pmd) & _PAGE_TABLE_INV; }
-extern inline int pmd_bad(pmd_t pmd)
+static inline int pmd_present(pmd_t pmd) { return pmd_val(pmd) & _SEG_PRESENT; }
+static inline int pmd_none(pmd_t pmd) { return pmd_val(pmd) & _PAGE_TABLE_INV; }
+static inline int pmd_bad(pmd_t pmd)
{
return (pmd_val(pmd) & (~PAGE_MASK & ~_PAGE_TABLE_INV)) != _PAGE_TABLE;
}
#else /* __s390x__ */
-extern inline int pgd_present(pgd_t pgd)
+static inline int pgd_present(pgd_t pgd)
{
return (pgd_val(pgd) & ~PAGE_MASK) == _PGD_ENTRY;
}
-extern inline int pgd_none(pgd_t pgd)
+static inline int pgd_none(pgd_t pgd)
{
return pgd_val(pgd) & _PGD_ENTRY_INV;
}
-extern inline int pgd_bad(pgd_t pgd)
+static inline int pgd_bad(pgd_t pgd)
{
return (pgd_val(pgd) & (~PAGE_MASK & ~_PGD_ENTRY_INV)) != _PGD_ENTRY;
}
-extern inline int pmd_present(pmd_t pmd)
+static inline int pmd_present(pmd_t pmd)
{
return (pmd_val(pmd) & ~PAGE_MASK) == _PMD_ENTRY;
}
-extern inline int pmd_none(pmd_t pmd)
+static inline int pmd_none(pmd_t pmd)
{
return pmd_val(pmd) & _PMD_ENTRY_INV;
}
-extern inline int pmd_bad(pmd_t pmd)
+static inline int pmd_bad(pmd_t pmd)
{
return (pmd_val(pmd) & (~PAGE_MASK & ~_PMD_ENTRY_INV)) != _PMD_ENTRY;
}
#endif /* __s390x__ */
-extern inline int pte_none(pte_t pte)
+static inline int pte_none(pte_t pte)
{
return (pte_val(pte) & _PAGE_INVALID_MASK) == _PAGE_INVALID_EMPTY;
}
-extern inline int pte_present(pte_t pte)
+static inline int pte_present(pte_t pte)
{
return !(pte_val(pte) & _PAGE_INVALID) ||
(pte_val(pte) & _PAGE_INVALID_MASK) == _PAGE_INVALID_NONE;
}
-extern inline int pte_file(pte_t pte)
+static inline int pte_file(pte_t pte)
{
return (pte_val(pte) & _PAGE_INVALID_MASK) == _PAGE_INVALID_FILE;
}
@@ -396,12 +397,12 @@ extern inline int pte_file(pte_t pte)
* query functions pte_write/pte_dirty/pte_young only work if
* pte_present() is true. Undefined behaviour if not..
*/
-extern inline int pte_write(pte_t pte)
+static inline int pte_write(pte_t pte)
{
return (pte_val(pte) & _PAGE_RO) == 0;
}
-extern inline int pte_dirty(pte_t pte)
+static inline int pte_dirty(pte_t pte)
{
/* A pte is neither clean nor dirty on s/390. The dirty bit
* is in the storage key. See page_test_and_clear_dirty for
@@ -410,7 +411,7 @@ extern inline int pte_dirty(pte_t pte)
return 0;
}
-extern inline int pte_young(pte_t pte)
+static inline int pte_young(pte_t pte)
{
/* A pte is neither young nor old on s/390. The young bit
* is in the storage key. See page_test_and_clear_young for
@@ -419,7 +420,7 @@ extern inline int pte_young(pte_t pte)
return 0;
}
-extern inline int pte_read(pte_t pte)
+static inline int pte_read(pte_t pte)
{
/* All pages are readable since we don't use the fetch
* protection bit in the storage key.
@@ -433,9 +434,9 @@ extern inline int pte_read(pte_t pte)
#ifndef __s390x__
-extern inline void pgd_clear(pgd_t * pgdp) { }
+static inline void pgd_clear(pgd_t * pgdp) { }
-extern inline void pmd_clear(pmd_t * pmdp)
+static inline void pmd_clear(pmd_t * pmdp)
{
pmd_val(pmdp[0]) = _PAGE_TABLE_INV;
pmd_val(pmdp[1]) = _PAGE_TABLE_INV;
@@ -445,12 +446,12 @@ extern inline void pmd_clear(pmd_t * pmdp)
#else /* __s390x__ */
-extern inline void pgd_clear(pgd_t * pgdp)
+static inline void pgd_clear(pgd_t * pgdp)
{
pgd_val(*pgdp) = _PGD_ENTRY_INV | _PGD_ENTRY;
}
-extern inline void pmd_clear(pmd_t * pmdp)
+static inline void pmd_clear(pmd_t * pmdp)
{
pmd_val(*pmdp) = _PMD_ENTRY_INV | _PMD_ENTRY;
pmd_val1(*pmdp) = _PMD_ENTRY_INV | _PMD_ENTRY;
@@ -458,7 +459,7 @@ extern inline void pmd_clear(pmd_t * pmdp)
#endif /* __s390x__ */
-extern inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
+static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
{
pte_val(*ptep) = _PAGE_INVALID_EMPTY;
}
@@ -467,14 +468,14 @@ extern inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *pt
* The following pte modification functions only work if
* pte_present() is true. Undefined behaviour if not..
*/
-extern inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
+static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
{
pte_val(pte) &= PAGE_MASK;
pte_val(pte) |= pgprot_val(newprot);
return pte;
}
-extern inline pte_t pte_wrprotect(pte_t pte)
+static inline pte_t pte_wrprotect(pte_t pte)
{
/* Do not clobber _PAGE_INVALID_NONE pages! */
if (!(pte_val(pte) & _PAGE_INVALID))
@@ -482,13 +483,13 @@ extern inline pte_t pte_wrprotect(pte_t pte)
return pte;
}
-extern inline pte_t pte_mkwrite(pte_t pte)
+static inline pte_t pte_mkwrite(pte_t pte)
{
pte_val(pte) &= ~_PAGE_RO;
return pte;
}
-extern inline pte_t pte_mkclean(pte_t pte)
+static inline pte_t pte_mkclean(pte_t pte)
{
/* The only user of pte_mkclean is the fork() code.
We must *not* clear the *physical* page dirty bit
@@ -497,7 +498,7 @@ extern inline pte_t pte_mkclean(pte_t pte)
return pte;
}
-extern inline pte_t pte_mkdirty(pte_t pte)
+static inline pte_t pte_mkdirty(pte_t pte)
{
/* We do not explicitly set the dirty bit because the
* sske instruction is slow. It is faster to let the
@@ -506,7 +507,7 @@ extern inline pte_t pte_mkdirty(pte_t pte)
return pte;
}
-extern inline pte_t pte_mkold(pte_t pte)
+static inline pte_t pte_mkold(pte_t pte)
{
/* S/390 doesn't keep its dirty/referenced bit in the pte.
* There is no point in clearing the real referenced bit.
@@ -514,7 +515,7 @@ extern inline pte_t pte_mkold(pte_t pte)
return pte;
}
-extern inline pte_t pte_mkyoung(pte_t pte)
+static inline pte_t pte_mkyoung(pte_t pte)
{
/* S/390 doesn't keep its dirty/referenced bit in the pte.
* There is no point in setting the real referenced bit.
@@ -694,7 +695,7 @@ static inline pte_t mk_pte_phys(unsigned long physpage, pgprot_t pgprot)
#ifndef __s390x__
/* Find an entry in the second-level page table.. */
-extern inline pmd_t * pmd_offset(pgd_t * dir, unsigned long address)
+static inline pmd_t * pmd_offset(pgd_t * dir, unsigned long address)
{
return (pmd_t *) dir;
}
@@ -757,7 +758,7 @@ extern inline pmd_t * pmd_offset(pgd_t * dir, unsigned long address)
#else
#define __SWP_OFFSET_MASK (~0UL >> 11)
#endif
-extern inline pte_t mk_swap_pte(unsigned long type, unsigned long offset)
+static inline pte_t mk_swap_pte(unsigned long type, unsigned long offset)
{
pte_t pte;
offset &= __SWP_OFFSET_MASK;