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, 12 deletions

diff --git a/include/asm-xtensa/pgtable.h b/include/asm-xtensa/pgtable.h
index e9fc512cc247..06850f3b26a7 100644
--- a/include/asm-xtensa/pgtable.h
+++ b/include/asm-xtensa/pgtable.h
@@ -267,17 +267,6 @@ ptep_test_and_clear_young(struct vm_area_struct *vma, unsigned long addr,
         return 1;
 }
 
-static inline int
-ptep_test_and_clear_dirty(struct vm_area_struct *vma, unsigned long addr,
-                          pte_t *ptep)
-{
-        pte_t pte = *ptep;
-        if (!pte_dirty(pte))
-                return 0;
-        update_pte(ptep, pte_mkclean(pte));
-        return 1;
-}
-
 static inline pte_t
 ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
 {
@@ -418,7 +407,6 @@ typedef pte_t *pte_addr_t;
 #endif /* !defined (__ASSEMBLY__) */
 
 #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_PTEP_MKDIRTY