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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 | e21ea246bce5bb93dd822de420172ec280aed492 (patch) | |
| tree | d624d1257728d8d869d54420c83d4bf4c4e19189 /include/asm-powerpc | |
| parent | f0e47c229b489e37ba7e4159ef7f9cf9ccd44e19 (diff) | |
| download | kernel_samsung_smdk4412-e21ea246bce5bb93dd822de420172ec280aed492.zip kernel_samsung_smdk4412-e21ea246bce5bb93dd822de420172ec280aed492.tar.gz kernel_samsung_smdk4412-e21ea246bce5bb93dd822de420172ec280aed492.tar.bz2 | |
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 6c236d4..86a54a4a 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 #define ptep_test_and_clear_young(__vma, __addr, __ptep) \ __ptep_test_and_clear_young((__vma)->vm_mm->context.id, __addr, __ptep) -#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_DIRTY -static inline int ptep_test_and_clear_dirty(struct vm_area_struct *vma, - unsigned long addr, pte_t *ptep) -{ - return (pte_update(ptep, (_PAGE_DIRTY | _PAGE_HWWRITE), 0) & _PAGE_DIRTY) != 0; -} - #define __HAVE_ARCH_PTEP_GET_AND_CLEAR static inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep) diff --git a/include/asm-powerpc/pgtable-ppc64.h b/include/asm-powerpc/pgtable-ppc64.h index 7ca8b5c..300f9a1 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, __r; \ }) -/* - * On RW/DIRTY bit transitions we can avoid flushing the hpte. For the - * moment we always flush but we need to fix hpte_update and test if the - * optimisation is worth it. - */ -static inline int __ptep_test_and_clear_dirty(struct mm_struct *mm, - unsigned long addr, pte_t *ptep) -{ - unsigned long old; - - if ((pte_val(*ptep) & _PAGE_DIRTY) == 0) - return 0; - old = pte_update(mm, addr, ptep, _PAGE_DIRTY, 0); - return (old & _PAGE_DIRTY) != 0; -} -#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_DIRTY -#define ptep_test_and_clear_dirty(__vma, __addr, __ptep) \ -({ \ - int __r; \ - __r = __ptep_test_and_clear_dirty((__vma)->vm_mm, __addr, __ptep); \ - __r; \ -}) - #define __HAVE_ARCH_PTEP_SET_WRPROTECT static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep) @@ -342,14 +319,6 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, __young; \ }) -#define __HAVE_ARCH_PTEP_CLEAR_DIRTY_FLUSH -#define ptep_clear_flush_dirty(__vma, __address, __ptep) \ -({ \ - int __dirty = __ptep_test_and_clear_dirty((__vma)->vm_mm, __address, \ - __ptep); \ - __dirty; \ -}) - #define __HAVE_ARCH_PTEP_GET_AND_CLEAR static inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep) |