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-rw-r--r--mm/page-writeback.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 3fc261705b1e..26adea8ca2e7 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -95,6 +95,8 @@ unsigned long vm_dirty_bytes;
*/
unsigned int dirty_writeback_interval = 5 * 100; /* centiseconds */
+EXPORT_SYMBOL_GPL(dirty_writeback_interval);
+
/*
* The longest time for which data is allowed to remain dirty
*/