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

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Message-Id: <20250818181800.59827-1-sj@kernel.org>
Date: Mon, 18 Aug 2025 11:18:00 -0700
From: SeongJae Park <sj@...nel.org>
To: Chris Li <chrisl@...nel.org>
Cc: SeongJae Park <sj@...nel.org>,
	Nhat Pham <nphamcs@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Chengming Zhou <chengming.zhou@...ux.dev>,
	David Hildenbrand <david@...hat.com>,
	Johannes Weiner <hannes@...xchg.org>,
	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 Fri, 15 Aug 2025 19:23:10 -0700 Chris Li <chrisl@...nel.org> wrote:

> On Fri, Aug 15, 2025 at 5:14 PM SeongJae Park <sj@...nel.org> wrote:
> >
> > Sounds good.  So in the next version (v4), I will drop compress_fail.  Instead,
> > I will add two new counters, namely compress_engine_fail and the new atomic
> > counter, say, stored_uncompressed_pages.  Please suggest better names or
> > correct me if I'm missing some of your points.
> 
> Sounds great. As I suggest in my other email, if up to me,
> 
> "crypto_compress_fail" and "stored_incompressible_pages"

Nice names, thank you!  I'll send the next verison soon, following all your
suggestions[1] together.

[1] https://lore.kernel.org/CAF8kJuPCpnGAoz=1CBwe46ytpcR0ZUMAEWLFQce7eUWkb+0ERA@mail.gmail.com


Thanks,
SJ

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