linux-hardening - Re: [PATCH v2][next] sysctl: Avoid open coded arithmetic in memory allocator functions

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Message-ID: <YXQbxSSw9qan87cm@casper.infradead.org>
Date:   Sat, 23 Oct 2021 15:27:17 +0100
From:   Matthew Wilcox <willy@...radead.org>
To:     Len Baker <len.baker@....com>
Cc:     Luis Chamberlain <mcgrof@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Iurii Zaikin <yzaikin@...gle.com>,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        linux-hardening@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2][next] sysctl: Avoid open coded arithmetic in memory
 allocator functions

On Sat, Oct 23, 2021 at 12:54:14PM +0200, Len Baker wrote:
> Changelog v1 -> v2
> - Remove the new_dir_size function and its use (Matthew Wilcox).

Why do you think the other functions are any different?  Please
provide reasoning.