linux-kernel - Re: linux-next: build warning after merge of the mm-hotfixes tree

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Message-ID: <20240417152904.17fa874d@canb.auug.org.au>
Date: Wed, 17 Apr 2024 15:29:04 +1000
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: Qiang Zhang <qiang4.zhang@...el.com>, Linux Kernel Mailing List
 <linux-kernel@...r.kernel.org>, Linux Next Mailing List
 <linux-next@...r.kernel.org>
Subject: Re: linux-next: build warning after merge of the mm-hotfixes tree

Hi Andrew,

On Tue, 16 Apr 2024 11:51:14 -0700 Andrew Morton <akpm@...ux-foundation.org> wrote:
>
> On Tue, 16 Apr 2024 17:35:25 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> 
> > After merging the mm-hotfixes tree, today's linux-next build (htmldocs)
> > produced this warning:
> > 
> > lib/bootconfig.c:911: warning: Function parameter or struct member 'early' not described in '_xbc_exit'
> > lib/bootconfig.c:911: warning: expecting prototype for xbc_exit(). Prototype was for _xbc_exit() instead
> > 
> > Introduced by commit
> > 
> >   aaeda6237dec ("bootconfig: use memblock_free_late to free xbc memory to buddy")
> > 
> > from the mm-hotfixes-unstable branch of the mm-hotfixes tree.  
> 
> Thanks.  How's this?
> 
> --- a/lib/bootconfig.c~bootconfig-use-memblock_free_late-to-free-xbc-memory-to-buddy-fix
> +++ a/lib/bootconfig.c
> @@ -901,7 +901,8 @@ static int __init xbc_parse_tree(void)
>  }
>  
>  /**
> - * xbc_exit() - Clean up all parsed bootconfig
> + * _xbc_exit() - Clean up all parsed bootconfig
> + * @early: in early xbc init error
>   *
>   * This clears all data structures of parsed bootconfig on memory.
>   * If you need to reuse xbc_init() with new boot config, you can
> _
> 

OK, so the above two warnings went away, but now I get

lib/bootconfig.c:909: warning: expecting prototype for _xbc_exit(). Prototype was for xbc_exit() instead

Commit

  aaeda6237dec ("bootconfig: use memblock_free_late to free xbc memory to buddy")

that was in the mm tree yesterday is not there now.

-- 
Cheers,
Stephen Rothwell

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