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From: Andrew Morton <akpm@linux-foundation.org>
To: "Kanchana P. Sridhar" <kanchanapsridhar2026@gmail.com>
Cc: hannes@cmpxchg.org, yosry@kernel.org, nphamcs@gmail.com,
	chengming.zhou@linux.dev, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org, herbert@gondor.apana.org.au,
	senozhatsky@chromium.org
Subject: Re: [PATCH v2 0/2] zswap pool per-CPU acomp_ctx simplifications
Date: Tue, 17 Mar 2026 12:45:28 -0700	[thread overview]
Message-ID: <20260317124528.961ebeaac03f69e65cb767e8@linux-foundation.org> (raw)
In-Reply-To: <20260317014802.27591-1-kanchanapsridhar2026@gmail.com>

On Mon, 16 Mar 2026 18:48:00 -0700 "Kanchana P. Sridhar" <kanchanapsridhar2026@gmail.com> wrote:

> This patchset first removes redundant checks on the acomp_ctx and its
> "req" member in zswap_cpu_comp_dead().
> 
> Next, it persists the zswap pool's per-CPU acomp_ctx resources to
> last until the pool is destroyed. It then simplifies the per-CPU
> acomp_ctx mutex locking in zswap_compress()/zswap_decompress().
> 
> Code comments added after allocation and before checking to deallocate
> the per-CPU acomp_ctx's members, based on expected crypto API return
> values and zswap changes this patchset makes.
> 
> Patch 2 is an independent submission of patch 23 from [1], to
> facilitate merging.

Thanks.

What happened with "mm: zswap: Consistently use IS_ERR_OR_NULL() to
check acomp_ctx resources"?  Still relevant?

https://lkml.kernel.org/r/20260314051632.17931-3-kanchanapsridhar2026@gmail.com


  parent reply	other threads:[~2026-03-17 19:45 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-17  1:48 Kanchana P. Sridhar
2026-03-17  1:48 ` [PATCH v2 1/2] mm: zswap: Remove redundant checks in zswap_cpu_comp_dead() Kanchana P. Sridhar
2026-03-17 19:19   ` Yosry Ahmed
2026-03-17 21:09     ` Kanchana P. Sridhar
2026-03-17  1:48 ` [PATCH v2 2/2] mm: zswap: Tie per-CPU acomp_ctx lifetime to the pool Kanchana P. Sridhar
2026-03-27  2:23   ` Andrew Morton
2026-03-27 19:30     ` Kanchana P. Sridhar
2026-03-30 18:32       ` Yosry Ahmed
2026-03-30 18:51         ` Andrew Morton
2026-03-30 18:52           ` Yosry Ahmed
2026-03-30 18:59             ` Kanchana P. Sridhar
2026-03-30 19:12               ` Andrew Morton
2026-03-30 19:13                 ` Yosry Ahmed
2026-03-30 21:53                   ` Kanchana P. Sridhar
2026-03-30 21:47                 ` Kanchana P. Sridhar
2026-03-17 19:45 ` Andrew Morton [this message]
2026-03-17 19:48   ` [PATCH v2 0/2] zswap pool per-CPU acomp_ctx simplifications Yosry Ahmed
2026-03-17 21:15     ` Kanchana P. Sridhar
2026-03-17 21:21     ` Kanchana P. Sridhar

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