linux-kernel - Re: Re: Re: [RFC][PATCH] memcg: change shmem handler.

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Message-ID: <9156032.1214874373850.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Tue, 1 Jul 2008 10:06:13 +0900 (JST)
From:	kamezawa.hiroyu@...fujitsu.com
To:	kamezawa.hiroyu@...fujitsu.com
Cc:	Hugh Dickins <hugh@...itas.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Rik van Riel <riel@...hat.com>,
	Lee Schermerhorn <lee.schermerhorn@...com>,
	Balbir Singh <balbir@...ibm.com>, linux-kernel@...r.kernel.org
Subject: Re: Re: Re: [RFC][PATCH] memcg: change shmem handler.

----- Original Message -----
Sorry..a bit more words.
>>Is that a good thing?  If we really decide that globally we
>>need such a counter, then fine for memcg to follow; but I've
>>not yet heard it asked for.
>After swap-controller is introduced, I can imagine there will be a
>swap-full/swap-less cgroup. And shmem will be able to be swapped out.
                                          not
>memcg handles limit of memory usage and Admin/Middleware will want to
>know current limit is good or bad. So, showing amount of tmpfs 
>will be good (It's now shown as Cache...a pages easily kicked out ;)
>
I'm not sure but how this seems under memcg in which DataBase runs.

Now.
   - anon
   - cache (including DataBase's shmem)
After
   - anon
   - cache (file cache)
   - shmem (DataBase's working area)

not good ?

Thanks,
-Kame
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