linux-kernel - Re: [PATCH 03/10] ftrace: Remove the now superfluous sentinel elements from ctl

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Message-ID: <20231108112723.275ae223@gandalf.local.home>
Date:   Wed, 8 Nov 2023 11:27:23 -0500
From:   Steven Rostedt <rostedt@...dmis.org>
To:     "Masami Hiramatsu (Google)" <mhiramat@...nel.org>
Cc:     <j.granados@...sung.com>,
        Joel Granados via B4 Relay 
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Subject: Re: [PATCH 03/10] ftrace: Remove the now superfluous sentinel
 elements from ctl_table array

On Wed, 8 Nov 2023 19:29:49 +0900
Masami Hiramatsu (Google) <mhiramat@...nel.org> wrote:

> On Tue, 07 Nov 2023 14:45:03 +0100
> Joel Granados via B4 Relay <devnull+j.granados.samsung.com@...nel.org> wrote:
> 
> > From: Joel Granados <j.granados@...sung.com>
> > 
> > This commit comes at the tail end of a greater effort to remove the
> > empty elements at the end of the ctl_table arrays (sentinels) which
> > will reduce the overall build time size of the kernel and run time
> > memory bloat by ~64 bytes per sentinel (further information Link :
> > https://lore.kernel.org/all/ZO5Yx5JFogGi%2FcBo@bombadil.infradead.org/)
> > 
> > Remove sentinel elements from ftrace_sysctls and user_event_sysctls
> >   
> 
> Both looks good to me. (since register_sysctl_init() uses ARRAY_SIZE()
> macro to get the array size.)
> 
> Acked-by: Masami Hiramatsu (Google) <mhiramat@...nel.org>

Agreed.

Acked-by: Steven Rostedt (Google) <rostedt@...dmis.org>

-- Steve