1 files changed, 0 insertions, 8 deletions

diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 81a91e6f1f99..d55cfcae2ef1 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -297,20 +297,12 @@ get_dirty_limits(long *pbackground, long *pdirty, long *pbdi_dirty,
 {
         int background_ratio;           /* Percentages */
         int dirty_ratio;
-        int unmapped_ratio;
         long background;
         long dirty;
         unsigned long available_memory = determine_dirtyable_memory();
         struct task_struct *tsk;
 
-        unmapped_ratio = 100 - ((global_page_state(NR_FILE_MAPPED) +
-                                global_page_state(NR_ANON_PAGES)) * 100) /
-                                        available_memory;
-
         dirty_ratio = vm_dirty_ratio;
-        if (dirty_ratio > unmapped_ratio / 2)
-                dirty_ratio = unmapped_ratio / 2;
-
         if (dirty_ratio < 5)
                 dirty_ratio = 5;