1 files changed, 0 insertions, 2 deletions

diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index a378c295851f..34a005515fef 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -138,8 +138,6 @@ extern int vm_highmem_is_dirtyable;
 extern int block_dump;
 extern int laptop_mode;
 
-extern unsigned long determine_dirtyable_memory(void);
-
 extern int dirty_background_ratio_handler(struct ctl_table *table, int write,
                 void __user *buffer, size_t *lenp,
                 loff_t *ppos);