linux-kernel - Re: [PATCH -next] secretmem: use ATOMIC_INIT() to initialize secretmem

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Message-Id: <20220906225847.255b4f244105b9b66b713857@linux-foundation.org>
Date:   Tue, 6 Sep 2022 22:58:47 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Xiu Jianfeng <xiujianfeng@...wei.com>
Cc:     <linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH -next] secretmem: use ATOMIC_INIT() to initialize
 secretmem_users

On Tue, 6 Sep 2022 17:36:20 +0800 Xiu Jianfeng <xiujianfeng@...wei.com> wrote:

> The variable secretmem_users is of atomic_t type, so initialize it
> properly with ATOMIC_INIT().
> 

True, but there are many many cases where we initialize an atomic_t to
the all-zeroes pattern.  So many that this should be considered
acceptable practice.