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>

1 files changed, 0 insertions, 16 deletions

diff --git a/include/asm-parisc/pgtable.h b/include/asm-parisc/pgtable.h
index 7e222c8ba739..e88cacd63724 100644
--- a/include/asm-parisc/pgtable.h
+++ b/include/asm-parisc/pgtable.h
@@ -447,21 +447,6 @@ static inline int ptep_test_and_clear_young(struct vm_area_struct *vma, unsigned
 #endif
 }
 
-static inline int ptep_test_and_clear_dirty(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep)
-{
-#ifdef CONFIG_SMP
-        if (!pte_dirty(*ptep))
-                return 0;
-        return test_and_clear_bit(xlate_pabit(_PAGE_DIRTY_BIT), &pte_val(*ptep));
-#else
-        pte_t pte = *ptep;
-        if (!pte_dirty(pte))
-                return 0;
-        set_pte_at(vma->vm_mm, addr, ptep, pte_mkclean(pte));
-        return 1;
-#endif
-}
-
 extern spinlock_t pa_dbit_lock;
 
 struct mm_struct;
@@ -529,7 +514,6 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr,
 #define HAVE_ARCH_UNMAPPED_AREA
 
 #define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG
-#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_DIRTY
 #define __HAVE_ARCH_PTEP_GET_AND_CLEAR
 #define __HAVE_ARCH_PTEP_SET_WRPROTECT
 #define __HAVE_ARCH_PTE_SAME