Re: [PATCH 1/7] memcg: update cgroup memory document

+dirty		- # of bytes that are waiting to get written back to the disk.
+writeback	- # of bytes that are actively being written back to the disk.

This should be a bit more clear to the user:

dirty - # of bytes of file cache that are not in sync with the disk copy
writeback - # of bytes of file cache that are queued for syncing to disk

Thanks,
Fengguang

 inactive_anon	- # of bytes of anonymous memory and swap cache memory on
 		LRU list.
 active_anon	- # of bytes of anonymous and swap cache memory on active