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-rw-r--r--mm/page-writeback.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index e7910799..c1052ee 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -88,7 +88,8 @@ int dirty_expire_interval = 30 * HZ;
int block_dump;
/*
- * Flag that puts the machine in "laptop mode".
+ * Flag that puts the machine in "laptop mode". Doubles as a timeout in jiffies:
+ * a full sync is triggered after this time elapses without any disk activity.
*/
int laptop_mode;
@@ -468,7 +469,7 @@ static void laptop_timer_fn(unsigned long unused)
*/
void laptop_io_completion(void)
{
- mod_timer(&laptop_mode_wb_timer, jiffies + laptop_mode * HZ);
+ mod_timer(&laptop_mode_wb_timer, jiffies + laptop_mode);
}
/*