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authorJohannes Weiner <jweiner@redhat.com>2011-10-31 17:07:05 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-10-31 17:30:45 -0700
commitd08c429b06d21bd2add88aea2cd1996f1b9b3bda (patch)
tree7a7f0002e4747ebc70978dcda565a09a943dc992 /mm
parent3da367c3e5fca71d4e778fa565d9b098d5518f4a (diff)
downloadlinux-d08c429b06d21bd2add88aea2cd1996f1b9b3bda.tar.gz
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> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/page-writeback.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 0e309cd1b5b..793e9874de5 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -305,7 +305,9 @@ static unsigned long task_min_dirty_limit(unsigned long bdi_dirty)
}
/*
- *
+ * 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;