From: Johannes Weiner <hannes@cmpxchg.org>
To: Youngjun Park <youngjun.park@lge.com>
Cc: akpm@linux-foundation.org, chrisl@kernel.org, linux-mm@kvack.org,
cgroups@vger.kernel.org, linux-kernel@vger.kernel.org,
kasong@tencent.com, mhocko@kernel.org, roman.gushchin@linux.dev,
shakeel.butt@linux.dev, muchun.song@linux.dev,
shikemeng@huaweicloud.com, baoquan.he@linux.dev,
baohua@kernel.org, yosry@kernel.org, joshua.hahnjy@gmail.com,
gunho.lee@lge.com, taejoon.song@lge.com, hyungjun.cho@lge.com,
baver.bae@lge.com, her0gyugyu@gmail.com
Subject: Re: [PATCH v10 0/6] mm/swap, memcg: Introduce swap tiers for cgroup based swap control
Date: Wed, 22 Jul 2026 09:14:10 -0400 [thread overview]
Message-ID: <amDCIl51NoNPL7Op@cmpxchg.org> (raw)
In-Reply-To: <20260713025644.170839-1-youngjun.park@lge.com>
Zswap is a first-order swap destination with writeback semantics. The
way the discussion around zswap has been going in this thread is
disappointing, and I don't feel comfortable adding permanent user
interfaces on this basis.
We will not be merging a memcg swap tier interface until the swap side
has a story for indirection and backend migration.
prev parent reply other threads:[~2026-07-22 13:14 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-13 2:56 [PATCH v10 0/6] mm/swap, memcg: Introduce swap tiers for cgroup based swap control Youngjun Park
2026-07-13 2:56 ` [PATCH v10 1/6] mm: swap: introduce swap tier infrastructure Youngjun Park
2026-07-13 2:56 ` [PATCH v10 2/6] mm: swap: associate swap devices with tiers Youngjun Park
2026-07-13 14:28 ` Usama Arif
2026-07-13 15:20 ` Youngjun Park
2026-07-13 2:56 ` [PATCH v10 3/6] mm: memcontrol: add interface for swap tier selection Youngjun Park
2026-07-13 2:56 ` [PATCH v10 4/6] mm: swap: filter swap allocation by memcg tier mask Youngjun Park
2026-07-13 2:56 ` [PATCH v10 5/6] selftests/mm: add a swap tier configuration test Youngjun Park
2026-07-13 2:56 ` [PATCH v10 6/6] selftests/cgroup: add a swap tier routing test Youngjun Park
2026-07-13 15:50 ` [PATCH v10 0/6] mm/swap, memcg: Introduce swap tiers for cgroup based swap control Yosry Ahmed
2026-07-13 15:57 ` Youngjun Park
2026-07-13 16:01 ` Yosry Ahmed
2026-07-13 16:22 ` Youngjun Park
2026-07-14 20:44 ` Shakeel Butt
2026-07-14 20:52 ` Yosry Ahmed
2026-07-14 22:25 ` Shakeel Butt
2026-07-14 23:09 ` Yosry Ahmed
2026-07-15 5:57 ` Youngjun Park
2026-07-15 16:27 ` Yosry Ahmed
2026-07-15 17:30 ` Chris Li
2026-07-15 20:35 ` Shakeel Butt
2026-07-16 2:02 ` Youngjun Park
2026-07-15 17:27 ` Chris Li
2026-07-15 17:22 ` Chris Li
2026-07-18 15:11 ` Youngjun Park
2026-07-20 18:27 ` Yosry Ahmed
2026-07-22 1:11 ` Shakeel Butt
2026-07-21 18:37 ` Chris Li
2026-07-15 5:45 ` Youngjun Park
2026-07-15 16:25 ` Yosry Ahmed
2026-07-15 21:20 ` Chris Li
2026-07-13 17:02 ` Chris Li
2026-07-13 17:11 ` Yosry Ahmed
2026-07-13 18:34 ` Chris Li
2026-07-13 18:37 ` Yosry Ahmed
2026-07-13 19:38 ` Chris Li
2026-07-13 19:57 ` Yosry Ahmed
2026-07-13 21:49 ` Chris Li
2026-07-13 17:05 ` Chris Li
2026-07-22 13:14 ` Johannes Weiner [this message]
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