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

["Sridhar, Kanchana P" <kanchana.p.sridhar@intel.com>]

> -----Original Message-----
> From: Herbert Xu <herbert@gondor.apana.org.au>
> Sent: Tuesday, December 9, 2025 8:28 PM
> To: Yosry Ahmed <yosry.ahmed@linux.dev>
> Cc: Sridhar, Kanchana P <kanchana.p.sridhar@intel.com>; SeongJae Park
> <sj@kernel.org>; linux-kernel@vger.kernel.org; linux-mm@kvack.org;
> hannes@cmpxchg.org; nphamcs@gmail.com; chengming.zhou@linux.dev;
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> Kristen C <kristen.c.accardi@intel.com>; Gomes, Vinicius
> <vinicius.gomes@intel.com>; Feghali, Wajdi K <wajdi.k.feghali@intel.com>;
> Gopal, Vinodh <vinodh.gopal@intel.com>
> Subject: Re: [PATCH v13 22/22] mm: zswap: Batched zswap_compress() with
> compress batching of large folios.
> 
> On Tue, Dec 09, 2025 at 05:31:35PM +0000, Yosry Ahmed wrote:
> >
> > Ugh, yes.. I don't think we want to burn 7 extra pages per-CPU for SW
> > compressors.
> 
> OK so the consensus is that we're keeping the visible batch size
> attribute for now, which will be set to 1 for everything but iaa.
> 
> So for now I'm going to just provide a trivial acomp fallback so
> that non-batching algorithms conform to the batching calling
> convention for a batch size of 1.

Thanks Herbert, this sounds good.

Thanks,
Kanchana

> 
> Cheers,
> --
> Email: Herbert Xu <herbert@gondor.apana.org.au>
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