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Date: Thu, 6 Aug 2026 13:06:55 -0700
From: Andrew Morton <akpm@linux-foundation.org>
To: Youngjun Park <youngjun.park@lge.com>
Cc: Chris Li <chrisl@kernel.org>, Kairui Song <kasong@tencent.com>, Kemeng
 Shi <shikemeng@huaweicloud.com>, Nhat Pham <nphamcs@gmail.com>, Baoquan He
 <baoquan.he@linux.dev>, Barry Song <baohua@kernel.org>,
 her0gyugyu@gmail.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 0/2] mm/swap: skip empty clusters in the swapoff scan
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On Fri,  7 Aug 2026 04:32:26 +0900 Youngjun Park <youngjun.park@lge.com> wrote:

> find_next_to_unuse() walks a swap device one offset at a time.  Slot
> state now lives in a per cluster swap table, so patch 2 dismisses an
> empty cluster with one counter read instead of SWAPFILE_CLUSTER table
> reads.

Thanks.

Can you help us understand how significant this change is for users? 
If "not very" then I'd prefer to defer consideraton of the series until
after 7.3-rc1.