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-rw-r--r--mm/page-writeback.c8
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;