linux-kernel - Re: [RFC PATCH] mm/damon: add full LPAE support for memory monitoring above 4GB

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Message-ID: <68043882-1878-4cca-a8fc-5e6cb9a88395@huawei.com>
Date: Tue, 22 Apr 2025 19:50:11 +0800
From: zuoze <zuoze1@...wei.com>
To: SeongJae Park <sj@...nel.org>
CC: <akpm@...ux-foundation.org>, <damon@...ts.linux.dev>,
	<linux-kernel@...r.kernel.org>, <linux-mm@...ck.org>,
	<wangkefeng.wang@...wei.com>
Subject: Re: [RFC PATCH] mm/damon: add full LPAE support for memory monitoring
 above 4GB



在 2025/4/21 0:27, SeongJae Park 写道:
> Hello Ze,
> 
> On Mon, 14 Apr 2025 09:21:55 +0800 zuoze <zuoze1@...wei.com> wrote:
> 
>>
>>
>> 在 2025/4/12 0:35, SeongJae Park 写道:
>>> On Fri, 11 Apr 2025 14:30:40 +0800 zuoze <zuoze1@...wei.com> wrote:
>>>
>>>> 在 2025/4/11 6:25, SeongJae Park 写道:
>>> [...]
>>>>> So I still don't anticipate big problems with my proposed approach.  But only
>>>>> prototyping and testing would let us know more truth.  If you don't mind, I
>>>>> will quickly write and share a prototype of my idea so that you could test.
>>>>>
>>>>
>>>> Sounds good! Please share the prototype when ready - happy to test and
>>>> help improve it.
>>>
>>> Thanks, I will share the prototype as soon as be ready. I expect up to a few
>>> weeks.
>>>
>>
>> Got it! Excited to see the prototype. Let me know if you need anything
>> in the meantime.
> 
> I posted the RFC patch series[1] a few days ago.  I also just implemented[2]
> and pushed the support of it on DAMON user-space tool.  Please let me know if
> you find any concern on those.
> 

Thanks for the patches - I’ve noted the RFC series and user-space
updates. Apologies for the delay; I’ll prioritize reviewing these soon
to verify they meet the intended tracking goals. Appreciate your
patience.

> [1] https://lore.kernel.org/20250416042551.158131-1-sj@kernel.org
> [2] https://github.com/damonitor/damo/commit/5848e3a516e3b10e62c4ad7ebf0e444d7be09f6b
> 
> 
> Thanks,
> SJ
> 
> [...]
>