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, 17 deletions

diff --git a/include/asm-ia64/pgtable.h b/include/asm-ia64/pgtable.h
index 47642e06b920..de6d01e24dd0 100644
--- a/include/asm-ia64/pgtable.h
+++ b/include/asm-ia64/pgtable.h
@@ -395,22 +395,6 @@ ptep_test_and_clear_young (struct vm_area_struct *vma, unsigned long addr, pte_t
 #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(_PAGE_D_BIT, 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
-}
-
 static inline pte_t
 ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
 {
@@ -590,7 +574,6 @@ extern void lazy_mmu_prot_update (pte_t pte);
 #endif
 
 #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