linux-kernel - Re: [PATCH] memcg: make memcg's file mapped consistent with global VM

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Date:	Wed, 28 Oct 2009 12:48:54 +0530
From:	Balbir Singh <balbir@...ux.vnet.ibm.com>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"nishimura@....nes.nec.co.jp" <nishimura@....nes.nec.co.jp>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>
Subject: Re: [PATCH] memcg: make memcg's file mapped consistent with global
 VM

* KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> [2009-10-28 12:16:19]:

> Based on mmotm-Oct13 + some patches in -mm queue.
> 
> ==
> From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
> 
> memcg-cleanup-file-mapped-consistent-with-globarl-vm-stat.patch
> 
> In global VM, FILE_MAPPED is used but memcg uses MAPPED_FILE.
> This makes grep difficult. Replace memcg's MAPPED_FILE with FILE_MAPPED
> 
> And in global VM, mapped shared memory is accounted into FILE_MAPPED.
> But memcg doesn't. fix it.

I wanted to explicitly avoid this since I wanted to do an iterative
correct accounting of shared memory. The renaming is fine with me
since we don't break ABI in user space.


-- 
	Balbir
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