Re: [PATCH V3 8/8] memcg: Document cgroup dirty/writeback memory statistics

[Kamezawa Hiroyuki <kamezawa.hiroyu-+CUm20s59erQFUHtdCDX3A@public.gmane.org>]

(2012/12/26 2:28), Sha Zhengju wrote:
> From: Sha Zhengju <handai.szj-3b8fjiQLQpfQT0dZR+AlfA@public.gmane.org>
> 
> Signed-off-by: Sha Zhengju <handai.szj-3b8fjiQLQpfQT0dZR+AlfA@public.gmane.org>

I don't think your words are bad but it may be better to sync with meminfo's text.

> ---
>   Documentation/cgroups/memory.txt |    2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/Documentation/cgroups/memory.txt b/Documentation/cgroups/memory.txt
> index addb1f1..2828164 100644
> --- a/Documentation/cgroups/memory.txt
> +++ b/Documentation/cgroups/memory.txt
> @@ -487,6 +487,8 @@ pgpgin		- # of charging events to the memory cgroup. The charging
>   pgpgout		- # of uncharging events to the memory cgroup. The uncharging
>   		event happens each time a page is unaccounted from the cgroup.
>   swap		- # of bytes of swap usage
> +dirty          - # of bytes of file cache that are not in sync with the disk copy.
> +writeback      - # of bytes of file/anon cache that are queued for syncing to disk.
>   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
> 

Documentation/filesystems/proc.txt

       Dirty: Memory which is waiting to get written back to the disk
   Writeback: Memory which is actively being written back to the disk

even if others are not ;(

Thanks,
-Kame