1 files changed, 0 insertions, 32 deletions

diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 237107c1b084..b3a198c9248d 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -845,38 +845,6 @@ int set_page_dirty_lock(struct page *page)
 EXPORT_SYMBOL(set_page_dirty_lock);
 
 /*
- * Clear a page's dirty flag, while caring for dirty memory accounting. 
- * Returns true if the page was previously dirty.
- */
-int test_clear_page_dirty(struct page *page)
-{
-        struct address_space *mapping = page_mapping(page);
-        unsigned long flags;
-
-        if (!mapping)
-                return TestClearPageDirty(page);
-
-        write_lock_irqsave(&mapping->tree_lock, flags);
-        if (TestClearPageDirty(page)) {
-                radix_tree_tag_clear(&mapping->page_tree,
-                                page_index(page), PAGECACHE_TAG_DIRTY);
-                write_unlock_irqrestore(&mapping->tree_lock, flags);
-                /*
-                 * We can continue to use `mapping' here because the
-                 * page is locked, which pins the address_space
-                 */
-                if (mapping_cap_account_dirty(mapping)) {
-                        page_mkclean(page);
-                        dec_zone_page_state(page, NR_FILE_DIRTY);
-                }
-                return 1;
-        }
-        write_unlock_irqrestore(&mapping->tree_lock, flags);
-        return 0;
-}
-EXPORT_SYMBOL(test_clear_page_dirty);
-
-/*
  * Clear a page's dirty flag, while caring for dirty memory accounting.
  * Returns true if the page was previously dirty.
  *