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| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2007-07-17 04:03:03 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-17 10:22:59 -0700 |
| commit | f0e47c229b489e37ba7e4159ef7f9cf9ccd44e19 (patch) | |
| tree | 52ec70d775bb7f7eafa6863829646ee49cbf427f /include/asm-s390/pgtable.h | |
| parent | 5ee403f584a67fb8725cca4d55218925b9295528 (diff) | |
| download | blackbird-op-linux-f0e47c229b489e37ba7e4159ef7f9cf9ccd44e19.tar.gz blackbird-op-linux-f0e47c229b489e37ba7e4159ef7f9cf9ccd44e19.zip | |
mm: remove ptep_establish()
The last user of ptep_establish in mm/ is long gone. Remove the architecture
primitive as well.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-s390/pgtable.h')
| -rw-r--r-- | include/asm-s390/pgtable.h | 43 |
1 files changed, 19 insertions, 24 deletions
diff --git a/include/asm-s390/pgtable.h b/include/asm-s390/pgtable.h index 26215a976127..1039bf6b657f 100644 --- a/include/asm-s390/pgtable.h +++ b/include/asm-s390/pgtable.h @@ -707,16 +707,19 @@ static inline void __ptep_ipte(unsigned long address, pte_t *ptep) pte_val(*ptep) = _PAGE_TYPE_EMPTY; } -static inline pte_t -ptep_clear_flush(struct vm_area_struct *vma, - unsigned long address, pte_t *ptep) +static inline void ptep_invalidate(unsigned long address, pte_t *ptep) { - pte_t pte = *ptep; - pte_t *shadow_pte = get_shadow_pte(ptep); - __ptep_ipte(address, ptep); - if (shadow_pte) - __ptep_ipte(address, shadow_pte); + ptep = get_shadow_pte(ptep); + if (ptep) + __ptep_ipte(address, ptep); +} + +static inline pte_t ptep_clear_flush(struct vm_area_struct *vma, + unsigned long address, pte_t *ptep) +{ + pte_t pte = *ptep; + ptep_invalidate(address, ptep); return pte; } @@ -726,21 +729,14 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, set_pte_at(mm, addr, ptep, pte_wrprotect(old_pte)); } -static inline void -ptep_establish(struct vm_area_struct *vma, - unsigned long address, pte_t *ptep, - pte_t entry) -{ - ptep_clear_flush(vma, address, ptep); - set_pte(ptep, entry); -} - -#define ptep_set_access_flags(__vma, __address, __ptep, __entry, __dirty) \ -({ \ - int __changed = !pte_same(*(__ptep), __entry); \ - if (__changed) \ - ptep_establish(__vma, __address, __ptep, __entry); \ - __changed; \ +#define ptep_set_access_flags(__vma, __addr, __ptep, __entry, __dirty) \ +({ \ + int __changed = !pte_same(*(__ptep), __entry); \ + if (__changed) { \ + ptep_invalidate(__addr, __ptep); \ + set_pte_at((__vma)->vm_mm, __addr, __ptep, __entry); \ + } \ + __changed; \ }) /* @@ -940,7 +936,6 @@ extern int remove_shared_memory(unsigned long start, unsigned long size); #define __HAVE_ARCH_MEMMAP_INIT extern void memmap_init(unsigned long, int, unsigned long, unsigned long); -#define __HAVE_ARCH_PTEP_ESTABLISH #define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS #define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG #define __HAVE_ARCH_PTEP_CLEAR_YOUNG_FLUSH |
