linux-kernel - RE: [PATCH] Add /proc/PID/{smaps, numa

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Date:   Wed, 25 Oct 2017 00:32:01 +0000
From:   "Du, Fan" <fan.du@...el.com>
To:     Michal Hocko <mhocko@...nel.org>
CC:     "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "hch@....de" <hch@....de>,
        "Williams, Dan J" <dan.j.williams@...el.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Du, Fan" <fan.du@...el.com>
Subject: RE: [PATCH] Add /proc/PID/{smaps, numa_maps} support for DAX



>-----Original Message-----
>From: Michal Hocko [mailto:mhocko@...nel.org]
>Sent: Tuesday, October 24, 2017 8:02 PM
>To: Du, Fan <fan.du@...el.com>
>Cc: akpm@...ux-foundation.org; hch@....de; Williams, Dan J
><dan.j.williams@...el.com>; linux-kernel@...r.kernel.org
>Subject: Re: [PATCH] Add /proc/PID/{smaps, numa_maps} support for DAX
>
>On Tue 24-10-17 15:52:01, Fan Du wrote:
>> So user could check those interface for more detailed
>> information about how much DAX mappings are currently
>> created.
>>
>> Here we use vma_is_dax method to find specific page
>> struture with DAX {huge, normal}page mappings,
>> vm_normal_page routine works as before without any
>> impact on the existing logical where _vm_normal_page
>> are called.
>
>And like for any other user visible changes it should be CC to the
>linux-api mailing list and a usecase which requires this information
>provided as well.

Done!
Please kindly review v3.


>--
>Michal Hocko
>SUSE Labs