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From: Honggyu Kim <honggyu.kim@sk.com>
To: SeongJae Park <sj@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Masami Hiramatsu <mhiramat@kernel.org>,
	Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	damon@lists.linux.dev, linux-kernel@vger.kernel.org,
	linux-mm@kvack.org, linux-trace-kernel@vger.kernel.org,
	Honggyu Kim <honggyu.kim@sk.com>,
	Hyeongtak Ji <hyeongtak.ji@sk.com>, Rakie Kim <rakie.kim@sk.com>,
	kernel_team@skhynix.com
Subject: Re: [RFC PATCH v4 0/5] DAMON based tiered memory management for CXL memory
Date: Mon, 13 May 2024 20:59:15 +0900	[thread overview]
Message-ID: <20240513115918.1479-1-honggyu.kim@sk.com> (raw)
In-Reply-To: <20240512175447.75943-1-sj@kernel.org>

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@kernel.org> 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@sk.com):

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

>   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

next prev parent reply	other threads:[~2024-05-13 11:59 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-12 17:54 [RFC PATCH v4 0/5] DAMON based tiered memory management for CXL memory SeongJae Park
2024-05-12 17:54 ` [RFC PATCH v4 3/5] mm/migrate: add MR_DAMON to migrate_reason SeongJae Park
2024-05-13 11:59 ` Honggyu Kim [this message]
2024-05-15 16:18   ` [RFC PATCH v4 0/5] DAMON based tiered memory management for CXL memory SeongJae Park

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