linux-kernel - Re: [PATCH 2/2] mm/damon/sysfs-schemes: add use_nodes_of

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Message-Id: <20250605182050.83282-1-sj@kernel.org>
Date: Thu,  5 Jun 2025 11:20:50 -0700
From: SeongJae Park <sj@...nel.org>
To: SeongJae Park <sj@...nel.org>
Cc: Simon Wang <wangchuanguo@...pur.com>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	"hannes@...xchg.org" <hannes@...xchg.org>,
	"david@...hat.com" <david@...hat.com>,
	"mhocko@...nel.org" <mhocko@...nel.org>,
	"zhengqi.arch@...edance.com" <zhengqi.arch@...edance.com>,
	"shakeel.butt@...ux.dev" <shakeel.butt@...ux.dev>,
	"lorenzo.stoakes@...cle.com" <lorenzo.stoakes@...cle.com>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"damon@...ts.linux.dev" <damon@...ts.linux.dev>,
	Honggyu Kim <honggyu.kim@...com>
Subject: Re: [PATCH 2/2] mm/damon/sysfs-schemes: add use_nodes_of_tier on sysfs-schemes

On Fri, 30 May 2025 12:40:16 -0700 SeongJae Park <sj@...nel.org> wrote:
[...] 
> So I suggest to set mtc->nmask as NULL, and use alloc_migration_target() from
> __damon_pa_migrate_folio_list(), same to move_pages() system call.  To use
> alloc_migrate_folio() from __damon_pa_migrate_folio_list(), we renamed it from
> alloc_demote_folio(), and made it none-static.  If we use
> alloc_migration_target() from __damon_pa_migrate_folio_list(), there is no
> reason to keep the changes.  Let's revert those too.
> 
> Cc-ing Honggyu, who originally implemented the current behavior of
> __damon_pa_migrate().  Honggyu, could you please let us know if the above
> suggested changes are not ok for you?
> 
> If Honggyu has no problem at the suggested change, Simon, would you mind doing
> that?  I can also make the patches.  I don't really care who do that.  I just
> think someone should do that.  This shouldn't be urgent real issue, in my
> opinion, though.

This is a friendly reminder of the above.  Please let me know if you have any
opinion.  I will proceed to make the patches if I don't get other inputs by
this week.


Thanks,
SJ

[...]