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From: Michal Hocko <mhocko@suse.com>
To: Ridong Chen <ridong.chen@linux.dev>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Johannes Weiner <hannes@cmpxchg.org>,
	David Hildenbrand <david@kernel.org>,
	Qi Zheng <qi.zheng@linux.dev>,
	Shakeel Butt <shakeel.butt@linux.dev>,
	Lorenzo Stoakes <ljs@kernel.org>,
	Kairui Song <kasong@tencent.com>, Barry Song <baohua@kernel.org>,
	Axel Rasmussen <axelrasmussen@google.com>,
	Yuanchu Xie <yuanchu@google.com>, Wei Xu <weixugc@google.com>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	Ridong Chen <chenridong@xiaomi.com>
Subject: Re: [RFC PATCH 0/4] mm/vmscan: honour node reclaim limits per type
Date: Fri, 21 Aug 2026 13:20:18 +0200	[thread overview]
Message-ID: <aog0ch0u8BtkR-a1@tiehlicka> (raw)
In-Reply-To: <dba83897-9bbb-4a44-9021-8f938bb6a12f@linux.dev>

On Fri 21-08-26 19:10:45, Ridong Chen wrote:
> > > Did you mean that min_slab_pages and min_unmapped_pages should influence
> > > proactive per-node reclaim?
> > 
> > Nope, exactly opposite
> > 
> 
> I would really appreciate it if you could clarify this further. Sorry, I'm
> not sure I fully understand what you meant.

pro-active (userspace triggered) node reclaim should completely ignore
all those historical node_reclaim tunables.
-- 
Michal Hocko
SUSE Labs


  reply	other threads:[~2026-08-21 11:20 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-21  8:17 [RFC PATCH 0/4] mm/vmscan: honour node reclaim limits per type Ridong Chen
2026-08-21  8:17 ` [RFC PATCH 1/4] mm/vmscan: only reclaim slab in node reclaim when over min_slab_pages Ridong Chen
2026-08-21  8:17 ` [RFC PATCH 2/4] mm/vmscan: only reclaim file pages in node reclaim when over min_unmapped_pages Ridong Chen
2026-08-21  8:17 ` [RFC PATCH 3/4] mm/vmscan: drop the combined limit gate in __node_reclaim() Ridong Chen
2026-08-21 12:49   ` Johannes Weiner
2026-08-21  8:17 ` [RFC PATCH 4/4] mm/vmscan: do not skip node reclaim when only anon is reclaimable Ridong Chen
2026-08-21  8:31 ` [RFC PATCH 0/4] mm/vmscan: honour node reclaim limits per type Michal Hocko
2026-08-21  8:58   ` Lorenzo Stoakes (ARM)
2026-08-21  9:21     ` Michal Hocko
2026-08-21 11:16       ` Lorenzo Stoakes (ARM)
2026-08-21 11:26         ` Michal Hocko
2026-08-21 13:43           ` Lorenzo Stoakes (ARM)
2026-08-21  9:07   ` Ridong Chen
2026-08-21  9:24     ` Michal Hocko
2026-08-21 10:52       ` Ridong Chen
2026-08-21 11:02         ` Michal Hocko
2026-08-21 11:10           ` Ridong Chen
2026-08-21 11:20             ` Michal Hocko [this message]
  -- strict thread matches above, loose matches on Subject: below --
2026-08-21  8:16 Ridong Chen

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