linux-kernel - Re: [PATCH] mm: zswap: delete unused acomp->is

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <kzjyxqcgqlv27wopipjvv7pjawhiefi4dykkiaatx5tkruch3b@gz6knzofpqei>
Date: Thu, 11 Dec 2025 19:21:19 +0000
From: Yosry Ahmed <yosry.ahmed@...ux.dev>
To: Johannes Weiner <hannes@...xchg.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>, 
	Nhat Pham <nphamcs@...il.com>, Chengming Zhou <chengming.zhou@...ux.dev>, linux-mm@...ck.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm: zswap: delete unused acomp->is_sleepable

On Wed, Dec 10, 2025 at 09:56:45PM -0500, Johannes Weiner wrote:
> This hasn't been used since 7d4c9629b74f ("mm: zswap: use object
> read/write APIs instead of object mapping APIs"). Drop it.
> 
> Signed-off-by: Johannes Weiner <hannes@...xchg.org>

Acked-by: Yosry Ahmed <yosry.ahmed@...ux.dev>

> ---
>  mm/zswap.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/mm/zswap.c b/mm/zswap.c
> index 5d0f8b13a958..84797ed4d3f5 100644
> --- a/mm/zswap.c
> +++ b/mm/zswap.c
> @@ -141,7 +141,6 @@ struct crypto_acomp_ctx {
>  	struct crypto_wait wait;
>  	u8 *buffer;
>  	struct mutex mutex;
> -	bool is_sleepable;
>  };
>  
>  /*
> @@ -781,7 +780,6 @@ static int zswap_cpu_comp_prepare(unsigned int cpu, struct hlist_node *node)
>  
>  	acomp_ctx->buffer = buffer;
>  	acomp_ctx->acomp = acomp;
> -	acomp_ctx->is_sleepable = acomp_is_async(acomp);
>  	acomp_ctx->req = req;
>  	mutex_unlock(&acomp_ctx->mutex);
>  	return 0;
> -- 
> 2.52.0
>