linux-kernel - Re: linux-next: build warning after merge of the akpm-current tree

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <f8106f9a-6832-e724-7edd-c758d6477e0a@huawei.com>
Date:   Fri, 21 May 2021 14:53:13 +0800
From:   Miaohe Lin <linmiaohe@...wei.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Andrew Morton <akpm@...ux-foundation.org>
CC:     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 akpm-current tree

On 2021/5/21 13:39, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the akpm-current tree, today's linux-next build (powerpc
> ppc64_defconfig) produced this warning:
> 
> mm/swapfile.c:1039:22: warning: 'scan_swap_map' defined but not used [-Wunused-function]
>  1039 | static unsigned long scan_swap_map(struct swap_info_struct *si,
>       |                      ^~~~~~~~~~~~~
> 
> Introduced by commit
> 
>   c9ea6b99df3c ("mm/swapfile: move get_swap_page_of_type() under CONFIG_HIBERNATION")
> 
> # CONFIG_HIBERNATION is not set

It seems that scan_swap_map is only used by get_swap_page_of_type(). I should have been more careful
and move it under CONFIG_HIBERNATION too. I will send a patch to fix this. Many thanks!

>