diff options
Diffstat (limited to 'mm/page-writeback.c')
-rw-r--r-- | mm/page-writeback.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 650846b61584..9c31199dae9a 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -251,7 +251,9 @@ 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; |