linux-kernel - Re: linux-next: build failure after merge of the sysctl tree

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Message-ID: <bhty55fw6j32o27p7wubvy2e3by363jzyej3hjkw7m7p2tnrdg@yg6bulgvser6>
Date: Sun, 2 Nov 2025 09:10:37 +0100
From: Joel Granados <joel.granados@...nel.org>
To: Stephen Rothwell <sfr@...b.auug.org.au>
Cc: Luis Chamberlain <mcgrof@...nel.org>, Kees Cook <kees@...nel.org>, 
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the sysctl tree

On Fri, Oct 31, 2025 at 09:49:58AM +1100, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the sysctl tree, today's linux-next build (powerpc
> ppc64_defconfig) failed like this:
> 
> In file included from drivers/tty/n_tty.c:38:
> include/linux/jiffies.h:614:40: warning: 'struct ctl_table' declared inside parameter list will not be visible outside of this definition or declaration
>   614 | int proc_dointvec_jiffies(const struct ctl_table *table, int dir, void *buffer,
>       |                                        ^~~~~~~~~
> include/linux/jiffies.h:616:50: warning: 'struct ctl_table' declared inside parameter list will not be visible outside of this definition or declaration
>   616 | int proc_dointvec_ms_jiffies_minmax(const struct ctl_table *table, int dir,
>       |                                                  ^~~~~~~~~
> include/linux/jiffies.h:618:47: warning: 'struct ctl_table' declared inside parameter list will not be visible outside of this definition or declaration
>   618 | int proc_dointvec_userhz_jiffies(const struct ctl_table *table, int dir,
>       |                                               ^~~~~~~~~
> include/linux/jiffies.h:620:43: warning: 'struct ctl_table' declared inside parameter list will not be visible outside of this definition or declaration
>   620 | int proc_dointvec_ms_jiffies(const struct ctl_table *table, int dir, void *buffer,
>       |                                           ^~~~~~~~~
> include/linux/jiffies.h:622:52: warning: 'struct ctl_table' declared inside parameter list will not be visible outside of this definition or declaration
>   622 | int proc_doulongvec_ms_jiffies_minmax(const struct ctl_table *table, int dir,
>       |                                                    ^~~~~~~~~
> In file included from arch/powerpc/kvm/emulate_loadstore.c:10:
...
>   616 | int proc_dointvec_ms_jiffies_minmax(const struct ctl_table *table, int dir,
>       |                                                  ^~~~~~~~~
> include/linux/jiffies.h:618:47: warning: 'struct ctl_table' declared inside parameter list will not be visible outside of this definition or declaration
>   618 | int proc_dointvec_userhz_jiffies(const struct ctl_table *table, int dir,
>       |                                               ^~~~~~~~~
> include/linux/jiffies.h:620:43: warning: 'struct ctl_table' declared inside parameter list will not be visible outside of this definition or declaration
>   620 | int proc_dointvec_ms_jiffies(const struct ctl_table *table, int dir, void *buffer,
>       |                                           ^~~~~~~~~
> include/linux/jiffies.h:622:52: warning: 'struct ctl_table' declared inside parameter list will not be visible outside of this definition or declaration
>   622 | int proc_doulongvec_ms_jiffies_minmax(const struct ctl_table *table, int dir,
>       |                                                    ^~~~~~~~~
> 
> Caused by commit
> 
>   44df6a7821ed ("sysctl: Move jiffies converters to kernel/time/jiffies.c")

I'll push the small fix to linux-next and add it to
44df6a7821ed ("sysctl: Move jiffies converters to
kernel/time/jiffies.c") in the sysctl tree.

Thx

-- 

Joel Granados

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