Re: [RFC PATCH v4 0/5] DAMON based tiered memory management for CXL memory

[Honggyu Kim]

Hi SeongJae,

Thanks very much for your work!  It got delayed due to the priority
changes in my workplace for building another heterogeneous memory
allocator.
https://github.com/skhynix/hmsdk/wiki/hmalloc

On Sun, 12 May 2024 10:54:42 -0700 SeongJae Park <sj@xxxxxxxxxx> wrote:
> There was an RFC IDEA "DAMOS-based Tiered-Memory Management" previously
> posted at [1].
> 
> It says there is no implementation of the demote/promote DAMOS action
> are made.  This RFC is about its implementation for physical address
> space.
> 
> Changes from RFC v3
> (https://lore.kernel.org/20240405060858.2818-1-honggyu.kim@xxxxxx):

This link cannot be opened.  I will share the link again here.
https://lore.kernel.org/all/20240405060858.2818-1-honggyu.kim@xxxxxx

>   0. updated from v3 and posted by SJ on behalf of Hunggyu under his
>      approval.
>   1. Do not reuse damon_pa_pageout() and drop 'enum migration_mode'
>   2. Drop vmstat change

I haven't checked whether I can collect useful information without
vmstat, but the changes look good in general except for that.

>   3. Drop unnecessary page reference check

I will compare this patch series with my previous v3 patchset and get
back to you later maybe next week.  Sorry, I will have another break
this week.

Thanks,
Honggyu