linux-kernel - Re: [PATCH 6/9] nilfs2: fix out-of-range warning

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Message-Id: <f93c474d-dfe4-4c10-a908-613be10ac265@app.fastmail.com>
Date: Thu, 28 Mar 2024 23:25:01 +0100
From: "Arnd Bergmann" <arnd@...db.de>
To: "Justin Stitt" <justinstitt@...gle.com>, "Arnd Bergmann" <arnd@...nel.org>
Cc: linux-kernel@...r.kernel.org,
 "Ryusuke Konishi" <konishi.ryusuke@...il.com>,
 "Nathan Chancellor" <nathan@...nel.org>,
 "Nick Desaulniers" <ndesaulniers@...gle.com>,
 "Bill Wendling" <morbo@...gle.com>,
 "Andrew Morton" <akpm@...ux-foundation.org>,
 "Philipp Stanner" <pstanner@...hat.com>,
 "Christian Brauner" <brauner@...nel.org>, "Jeff Layton" <jlayton@...nel.org>,
 "Thorsten Blum" <thorsten.blum@...lux.com>, linux-nilfs@...r.kernel.org,
 llvm@...ts.linux.dev
Subject: Re: [PATCH 6/9] nilfs2: fix out-of-range warning

On Thu, Mar 28, 2024, at 23:04, Justin Stitt wrote:
> On Thu, Mar 28, 2024 at 7:32 AM Arnd Bergmann <arnd@...nel.org> wrote:
>>
>> From: Arnd Bergmann <arnd@...db.de>
>>
>> clang-14 points out that v_size is always smaller than a 64KB
>> page size if that is configured by the CPU architecture:
>
> Is this only with clang-14?

No, it should be every version since then. I checked my
randconfig tree and found that I originally committed this
patch in September 2021 when I was first testing prerelease
clang-14 builds. I sent a couple of fixes for this class
of warnings then, but for some reason not this one.

      Arnd