linux-kernel - Re: [PATCH v2] mm/zswap: store <PAGE_SIZE compression failed page as-is

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Message-ID: <2f75a76c-bdc1-6ca7-4438-21554831ec56@google.com>
Date: Wed, 13 Aug 2025 11:58:32 -0700 (PDT)
From: Hugh Dickins <hughd@...gle.com>
To: Chris Li <chrisl@...nel.org>
cc: SeongJae Park <sj@...nel.org>, Andrew Morton <akpm@...ux-foundation.org>, 
    Chengming Zhou <chengming.zhou@...ux.dev>, 
    David Hildenbrand <david@...hat.com>, Johannes Weiner <hannes@...xchg.org>, 
    Nhat Pham <nphamcs@...il.com>, Yosry Ahmed <yosry.ahmed@...ux.dev>, 
    linux-kernel@...r.kernel.org, linux-mm@...ck.org, 
    Takero Funaki <flintglass@...il.com>, Hugh Dickins <hughd@...gle.com>
Subject: Re: [PATCH v2] mm/zswap: store <PAGE_SIZE compression failed page
 as-is

On Wed, 13 Aug 2025, Chris Li wrote:
> 
> I know Hugh has some idea to store incompressible pages in the swap
> cache as well. Hugh?

No, I don't have any idea or plan to store incompressible pages in the
swap cache myself.  But yes, incompressible pages could well be "stored"
in the swap cache.

Hugh