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Message-ID: <20240405101316.2890-1-honggyu.kim@sk.com>
Date: Fri, 5 Apr 2024 19:13:12 +0900
From: Honggyu Kim <honggyu.kim@...com>
To: SeongJae Park <sj@...nel.org>
Cc: Honggyu Kim <honggyu.kim@...com>,
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Subject: Re: [RFC PATCH v2 0/7] DAMON based 2-tier memory management for CXL memory
Hi SeongJae,
On Tue, 26 Mar 2024 16:03:09 -0700 SeongJae Park <sj@...nel.org> wrote:
> On Mon, 25 Mar 2024 15:53:03 -0700 SeongJae Park <sj@...nel.org> wrote:
>
> > On Mon, 25 Mar 2024 21:01:04 +0900 Honggyu Kim <honggyu.kim@...com> wrote:
> [...]
> > > On Fri, 22 Mar 2024 09:32:23 -0700 SeongJae Park <sj@...nel.org> wrote:
> > > > On Fri, 22 Mar 2024 18:02:23 +0900 Honggyu Kim <honggyu.kim@...com> wrote:
> [...]
> > >
> > > I would like to hear how you think about this.
> >
> > So, to summarize my humble opinion,
> >
> > 1. I like the idea of having two actions. But I'd like to use names other than
> > 'promote' and 'demote'.
> > 2. I still prefer having a filter for the page granularity access re-check.
> >
> [...]
> > > I will join the DAMON Beer/Coffee/Tea Chat tomorrow as scheduled so I
> > > can talk more about this issue.
> >
> > Looking forward to chatting with you :)
>
> We met and discussed about this topic in the chat series yesterday. Sharing
> the summary for keeping the open discussion.
>
> Honggyu thankfully accepted my humble suggestions on the last reply. Honggyu
> will post the third version of this patchset soon. The patchset will implement
> two new DAMOS actions, namely MIGRATE_HOT and MIGRATE_COLD. Those will migrate
> the DAMOS target regions to a user-specified NUMA node, but will have different
> prioritization score function. As name implies, they will prioritize more hot
> regions and cold regions, respectively.
It's a late answer but thanks very much for the summary. It was really
helpful discussion in the chat series.
I'm leaving a message so that anyone can follow for the update. The v3
is posted at https://lore.kernel.org/damon/20240405060858.2818-1-honggyu.kim@sk.com.
> Honggyu, please feel free to fix if there is anything wrong or missed.
I don't have anything to fix from your summary.
> And thanks to Honggyu again for patiently keeping this productive discussion
> and their awesome work.
I appreciate your persistent support and kind reviews.
Thanks,
Honggyu
>
> Thanks,
> SJ
>
> [...]
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