diff options
author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2007-07-17 07:03:03 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-17 13:22:59 -0400 |
commit | e21ea246bce5bb93dd822de420172ec280aed492 (patch) | |
tree | d624d1257728d8d869d54420c83d4bf4c4e19189 /include/asm-powerpc | |
parent | f0e47c229b489e37ba7e4159ef7f9cf9ccd44e19 (diff) |
mm: remove ptep_test_and_clear_dirty and ptep_clear_flush_dirty
Nobody is using ptep_test_and_clear_dirty and ptep_clear_flush_dirty. Remove
the functions from all architectures.
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-powerpc')
-rw-r--r-- | include/asm-powerpc/pgtable-ppc32.h | 7 | ||||
-rw-r--r-- | include/asm-powerpc/pgtable-ppc64.h | 31 |
2 files changed, 0 insertions, 38 deletions
diff --git a/include/asm-powerpc/pgtable-ppc32.h b/include/asm-powerpc/pgtable-ppc32.h index 6c236d4d6262..86a54a4a8a2a 100644 --- a/include/asm-powerpc/pgtable-ppc32.h +++ b/include/asm-powerpc/pgtable-ppc32.h | |||
@@ -621,13 +621,6 @@ static inline int __ptep_test_and_clear_young(unsigned int context, unsigned lon | |||
621 | #define ptep_test_and_clear_young(__vma, __addr, __ptep) \ | 621 | #define ptep_test_and_clear_young(__vma, __addr, __ptep) \ |
622 | __ptep_test_and_clear_young((__vma)->vm_mm->context.id, __addr, __ptep) | 622 | __ptep_test_and_clear_young((__vma)->vm_mm->context.id, __addr, __ptep) |
623 | 623 | ||
624 | #define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_DIRTY | ||
625 | static inline int ptep_test_and_clear_dirty(struct vm_area_struct *vma, | ||
626 | unsigned long addr, pte_t *ptep) | ||
627 | { | ||
628 | return (pte_update(ptep, (_PAGE_DIRTY | _PAGE_HWWRITE), 0) & _PAGE_DIRTY) != 0; | ||
629 | } | ||
630 | |||
631 | #define __HAVE_ARCH_PTEP_GET_AND_CLEAR | 624 | #define __HAVE_ARCH_PTEP_GET_AND_CLEAR |
632 | static inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, | 625 | static inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, |
633 | pte_t *ptep) | 626 | pte_t *ptep) |
diff --git a/include/asm-powerpc/pgtable-ppc64.h b/include/asm-powerpc/pgtable-ppc64.h index 7ca8b5c10019..300f9a199bf2 100644 --- a/include/asm-powerpc/pgtable-ppc64.h +++ b/include/asm-powerpc/pgtable-ppc64.h | |||
@@ -292,29 +292,6 @@ static inline int __ptep_test_and_clear_young(struct mm_struct *mm, | |||
292 | __r; \ | 292 | __r; \ |
293 | }) | 293 | }) |
294 | 294 | ||
295 | /* | ||
296 | * On RW/DIRTY bit transitions we can avoid flushing the hpte. For the | ||
297 | * moment we always flush but we need to fix hpte_update and test if the | ||
298 | * optimisation is worth it. | ||
299 | */ | ||
300 | static inline int __ptep_test_and_clear_dirty(struct mm_struct *mm, | ||
301 | unsigned long addr, pte_t *ptep) | ||
302 | { | ||
303 | unsigned long old; | ||
304 | |||
305 | if ((pte_val(*ptep) & _PAGE_DIRTY) == 0) | ||
306 | return 0; | ||
307 | old = pte_update(mm, addr, ptep, _PAGE_DIRTY, 0); | ||
308 | return (old & _PAGE_DIRTY) != 0; | ||
309 | } | ||
310 | #define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_DIRTY | ||
311 | #define ptep_test_and_clear_dirty(__vma, __addr, __ptep) \ | ||
312 | ({ \ | ||
313 | int __r; \ | ||
314 | __r = __ptep_test_and_clear_dirty((__vma)->vm_mm, __addr, __ptep); \ | ||
315 | __r; \ | ||
316 | }) | ||
317 | |||
318 | #define __HAVE_ARCH_PTEP_SET_WRPROTECT | 295 | #define __HAVE_ARCH_PTEP_SET_WRPROTECT |
319 | static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, | 296 | static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, |
320 | pte_t *ptep) | 297 | pte_t *ptep) |
@@ -342,14 +319,6 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, | |||
342 | __young; \ | 319 | __young; \ |
343 | }) | 320 | }) |
344 | 321 | ||
345 | #define __HAVE_ARCH_PTEP_CLEAR_DIRTY_FLUSH | ||
346 | #define ptep_clear_flush_dirty(__vma, __address, __ptep) \ | ||
347 | ({ \ | ||
348 | int __dirty = __ptep_test_and_clear_dirty((__vma)->vm_mm, __address, \ | ||
349 | __ptep); \ | ||
350 | __dirty; \ | ||
351 | }) | ||
352 | |||
353 | #define __HAVE_ARCH_PTEP_GET_AND_CLEAR | 322 | #define __HAVE_ARCH_PTEP_GET_AND_CLEAR |
354 | static inline pte_t ptep_get_and_clear(struct mm_struct *mm, | 323 | static inline pte_t ptep_get_and_clear(struct mm_struct *mm, |
355 | unsigned long addr, pte_t *ptep) | 324 | unsigned long addr, pte_t *ptep) |