From: Johannes Weiner <jweiner@redhat.com>
Date: Wed, 5 Oct 2011 00:42:48 +0000 (+1100)
Subject: mm/page-writeback.c: document bdi_min_ratio
X-Git-Tag: next-20111012~1^2~212
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=7e345962e4183673e5482b1be755f411cdea7158;p=karo-tx-linux.git

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>
---

diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index a9a939341884..487a2b5bf7d7 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;