writeback: skip tmpfs early in balance_dirty_pages_ratelimited_nr()
authorWu Fengguang <fengguang.wu@intel.com>
Sat, 11 Jun 2011 23:53:57 +0000 (17:53 -0600)
committerWu Fengguang <fengguang.wu@intel.com>
Sun, 19 Jun 2011 16:25:46 +0000 (00:25 +0800)
This helps prevent tmpfs dirtiers from skewing the per-cpu bdp_ratelimits.

Acked-by: Jan Kara <jack@suse.cz>
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
mm/page-writeback.c

Simple merge