linux-kernel - Re: why the count nr_file_pages is not equal to nr_inactive_file + nr_active

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Date:	Mon, 16 May 2016 18:01:40 +0800
From:	Xishi Qiu <qiuxishi@...wei.com>
To:	Michal Hocko <mhocko@...nel.org>
CC:	Aaron Lu <aaron.lu@...el.com>, Linux MM <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: why the count nr_file_pages is not equal to nr_inactive_file
 + nr_active_file ?

On 2016/5/16 17:57, Michal Hocko wrote:

> [Sorry I haven't noticed this answer before]
> 
> On Fri 13-05-16 15:31:42, Xishi Qiu wrote:
>> On 2016/5/13 15:00, Aaron Lu wrote:
>>
>> Hi Aaron,
>>
>> Thanks for your reply, but I find the count of nr_shmem is very small
>> in my system.
> 
> which kernel version is this? I remember that we used to account thp
> pages as NR_FILE_PAGE as well in the past.
> 
> I didn't get to look at your number more closely though.

Hi Michal,

It's android kernel, v3.10
I think the thp config is off.

Thanks,
Xishi Qiu