From: Alice Ryhl <aliceryhl@google.com>
To: Ethan Nelson-Moore <enelsonmoore@gmail.com>
Cc: Andrew Ballance <andrewjballance@gmail.com>,
maple-tree@lists.infradead.org, linux-mm@kvack.org,
"Liam R. Howlett" <liam@infradead.org>
Subject: Re: [PATCH] maple_tree: remove undocumented CONFIG_MAPLE_RCU_DISABLED macro
Date: Thu, 11 Jun 2026 23:00:51 +0000 [thread overview]
Message-ID: <ais-I1P55RoHwG6h@google.com> (raw)
In-Reply-To: <20260610220905.99860-1-enelsonmoore@gmail.com>
On Wed, Jun 10, 2026 at 03:09:04PM -0700, Ethan Nelson-Moore wrote:
> <linux/maple_tree.h> consults the macro CONFIG_MAPLE_RCU_DISABLED to
> determine whether to disable the mt_in_rcu() function (by making it
> always return false). This macro is not reachable via Kconfig, despite
> its name, and is not documented anywhere. Remove it to avoid polluting
> the CONFIG_* namespace.
>
> Discovered while searching for CONFIG_* symbols referenced in code but
> not defined in any Kconfig file.
>
> Signed-off-by: Ethan Nelson-Moore <enelsonmoore@gmail.com>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
prev parent reply other threads:[~2026-06-11 23:00 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-10 22:09 [PATCH] maple_tree: remove undocumented CONFIG_MAPLE_RCU_DISABLED macro Ethan Nelson-Moore
2026-06-11 0:40 ` SeongJae Park
2026-06-11 16:22 ` Liam R. Howlett
2026-06-11 23:00 ` Alice Ryhl [this message]
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