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-rw-r--r--include/linux/writeback.h2
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);