linux-kernel - Re: [PATCH v4 09/10] mm: zswap: Allocate pool batching resources if the crypto

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Message-ID: <Z0-zboLmrybOt8pv@gondor.apana.org.au>
Date: Wed, 4 Dec 2024 09:42:06 +0800
From: Herbert Xu <herbert@...dor.apana.org.au>
To: Yosry Ahmed <yosryahmed@...gle.com>
Cc: "Sridhar, Kanchana P" <kanchana.p.sridhar@...el.com>,
	Nhat Pham <nphamcs@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"hannes@...xchg.org" <hannes@...xchg.org>,
	"chengming.zhou@...ux.dev" <chengming.zhou@...ux.dev>,
	"usamaarif642@...il.com" <usamaarif642@...il.com>,
	"ryan.roberts@....com" <ryan.roberts@....com>,
	"ying.huang@...el.com" <ying.huang@...el.com>,
	"21cnbao@...il.com" <21cnbao@...il.com>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	"linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>,
	"davem@...emloft.net" <davem@...emloft.net>,
	"clabbe@...libre.com" <clabbe@...libre.com>,
	"ardb@...nel.org" <ardb@...nel.org>,
	"ebiggers@...gle.com" <ebiggers@...gle.com>,
	"surenb@...gle.com" <surenb@...gle.com>,
	"Accardi, Kristen C" <kristen.c.accardi@...el.com>,
	"Feghali, Wajdi K" <wajdi.k.feghali@...el.com>,
	"Gopal, Vinodh" <vinodh.gopal@...el.com>
Subject: Re: [PATCH v4 09/10] mm: zswap: Allocate pool batching resources if
 the crypto_alg supports batching.

On Tue, Dec 03, 2024 at 01:44:00PM -0800, Yosry Ahmed wrote:
>
> Does this mean that instead of zswap breaking down the folio into
> SWAP_CRYPTO_BATCH_SIZE -sized batches, we pass all the pages to the
> crypto layer and let it do the batching as it pleases?

You provide as much (or little) as you're comfortable with.  Just
treat the acomp API as one that can take as much as you want to
give it.

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