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]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=ais-I1P55RoHwG6h@google.com \
--to=aliceryhl@google.com \
--cc=andrewjballance@gmail.com \
--cc=enelsonmoore@gmail.com \
--cc=liam@infradead.org \
--cc=linux-mm@kvack.org \
--cc=maple-tree@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.