Hi Fan,
Thank you for the patch! Yet we hit a small issue.
[auto build test WARNING on linus/master]
[also build test WARNING on v4.14-rc6 next-20171018]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system]
url:
https://github.com/0day-ci/linux/c
al Hocko
>>Cc: Du, Fan ; a...@linux-foundation.org; h...@lst.de;
>>Williams, Dan J ; linux-kernel@vger.kernel.org;
>>linux-...@vger.kernel.org
>>Subject: Re: [PATCH 2/2] Add /proc/PID/{smaps, numa_maps} support for DAX
>>
>>On 10/26/2017 07:31 AM, Michal Hocko wrote:
Dan J ; linux-kernel@vger.kernel.org;
>linux-...@vger.kernel.org
>Subject: Re: [PATCH 2/2] Add /proc/PID/{smaps, numa_maps} support for DAX
>
>On 10/26/2017 07:31 AM, Michal Hocko wrote:
>> On Thu 26-10-17 07:24:14, Dave Hansen wrote:
>>> Actually, I don't remember whether
On Thu, Oct 26, 2017 at 8:07 AM, Michal Hocko wrote:
> On Thu 26-10-17 07:51:20, Dave Hansen wrote:
>> On 10/26/2017 07:31 AM, Michal Hocko wrote:
>> > On Thu 26-10-17 07:24:14, Dave Hansen wrote:
>> >> Actually, I don't remember whether it was tooling or just confused
>> >> humans. I *think* Dan
On Thu 26-10-17 07:51:20, Dave Hansen wrote:
> On 10/26/2017 07:31 AM, Michal Hocko wrote:
> > On Thu 26-10-17 07:24:14, Dave Hansen wrote:
> >> Actually, I don't remember whether it was tooling or just confused
> >> humans. I *think* Dan was trying to write test cases for huge page DAX
> >> suppo
On 10/26/2017 07:31 AM, Michal Hocko wrote:
> On Thu 26-10-17 07:24:14, Dave Hansen wrote:
>> Actually, I don't remember whether it was tooling or just confused
>> humans. I *think* Dan was trying to write test cases for huge page DAX
>> support and couldn't figure out whether or not it was using
On Thu 26-10-17 07:24:14, Dave Hansen wrote:
> On 10/26/2017 07:16 AM, Michal Hocko wrote:
> >> The original motivation was for DAX. They have parallel large page
> >> infrastructure separate from hugetlbfs and THP. Their constraints about
> >> when they can use large pages differ from the normal
On 10/26/2017 07:16 AM, Michal Hocko wrote:
>> The original motivation was for DAX. They have parallel large page
>> infrastructure separate from hugetlbfs and THP. Their constraints about
>> when they can use large pages differ from the normal mm cases, so it is
>> hard to tell when large pages
On Wed 25-10-17 10:14:34, Dave Hansen wrote:
> On 10/25/2017 02:30 AM, Michal Hocko wrote:
> >>
> >> 7f6c1780-7f6c17e0 rw-s 00:06 20559 /dev/dax12.0
> >> Size: 6144 kB
> >> .
> >> .
> >> .
> >> Ptes@2MB: 6144 kB
> > This says how but it doesn't tell
On 10/25/2017 02:30 AM, Michal Hocko wrote:
>>
>> 7f6c1780-7f6c17e0 rw-s 00:06 20559 /dev/dax12.0
>> Size: 6144 kB
>> .
>> .
>> .
>> Ptes@2MB:6144 kB
> This says how but it doesn't tell why and who is going to use the
> information and what for.
On Wed 25-10-17 08:27:35, 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
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