From b78af3725c4f8db4ca17ef8338331717d8f93441 Mon Sep 17 00:00:00 2001
From: Johannes Weiner <jweiner@redhat.com>
Date: Wed, 5 Oct 2011 11:42:48 +1100
Subject: [PATCH] mm/page-writeback.c: document bdi_min_ratio

Looks like someone got distracted after adding the comment characters.

Signed-off-by: Johannes Weiner <jweiner@redhat.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
 mm/page-writeback.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index bc175409c81c..305f563d5c0e 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -310,7 +310,9 @@ static void bdi_writeout_fraction(struct backing_dev_info *bdi,
 }
 
 /*
- *
+ * bdi_min_ratio keeps the sum of the minimum dirty shares of all
+ * registered backing devices, which, for obvious reasons, can not
+ * exceed 100%.
  */
 static unsigned int bdi_min_ratio;
 
-- 
2.39.5