linux-kernel - Re: [PATCH v13 22/22] mm: zswap: Batched zswap_compress() with compress batching of large folios.

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Message-ID: <aTeKNEX5stqjG55i@gondor.apana.org.au>
Date: Tue, 9 Dec 2025 10:32:20 +0800
From: Herbert Xu <herbert@...dor.apana.org.au>
To: Yosry Ahmed <yosry.ahmed@...ux.dev>
Cc: "Sridhar, Kanchana P" <kanchana.p.sridhar@...el.com>,
	SeongJae Park <sj@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
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	"Gopal, Vinodh" <vinodh.gopal@...el.com>
Subject: Re: [PATCH v13 22/22] mm: zswap: Batched zswap_compress() with
 compress batching of large folios.

On Tue, Dec 09, 2025 at 01:15:02AM +0000, Yosry Ahmed wrote:
> 
> Just to clarify, does this mean that zswap can pass a batch of (eight)
> pages to the acomp API, and get the results for the batch uniformly
> whether or not the underlying compressor supports batching?

Correct.  In fact I'd like to remove the batch size exposure to zswap
altogether.  zswap should just pass along whatever maximum number of
pages that is convenient to itself.

Cheers,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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