linux-kernel - Re: [hnaz-mm:master 251/366] mm/damon/paddr.c:216:5: error: no previous prototype for 'damon_pa_apply

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Date:   Mon, 25 Oct 2021 06:47:25 +0000
From:   SeongJae Park <sj@...nel.org>
To:     kernel test robot <lkp@...el.com>
Cc:     SeongJae Park <sj@...nel.org>, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org, Johannes Weiner <hannes@...xchg.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux Memory Management List <linux-mm@...ck.org>
Subject: Re: [hnaz-mm:master 251/366] mm/damon/paddr.c:216:5: error: no previous prototype for 'damon_pa_apply_scheme'

On Mon, 25 Oct 2021 00:07:32 +0800 kernel test robot <lkp@...el.com> wrote:

> [-- Attachment #1: Type: text/plain, Size: 2384 bytes --]
> 
> tree:   https://github.com/hnaz/linux-mm master
> head:   468edaa91589af9aebd54b32f019bf309cf67e78
> commit: ccd554f15bb1cd977d740c1ea8241ecf95108c94 [251/366] mm/damon/paddr: support the pageout scheme
> config: arc-allyesconfig (attached as .config)
> compiler: arceb-elf-gcc (GCC) 11.2.0
> reproduce (this is a W=1 build):
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # https://github.com/hnaz/linux-mm/commit/ccd554f15bb1cd977d740c1ea8241ecf95108c94
>         git remote add hnaz-mm https://github.com/hnaz/linux-mm
>         git fetch --no-tags hnaz-mm master
>         git checkout ccd554f15bb1cd977d740c1ea8241ecf95108c94
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=arc 
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@...el.com>
> 
> All errors (new ones prefixed by >>):
> 
> >> mm/damon/paddr.c:216:5: error: no previous prototype for 'damon_pa_apply_scheme' [-Werror=missing-prototypes]
>      216 | int damon_pa_apply_scheme(struct damon_ctx *ctx, struct damon_target *t,
>          |     ^~~~~~~~~~~~~~~~~~~~~
>    cc1: all warnings being treated as errors

Thank you for this report!  I sent a fix:
https://lore.kernel.org/linux-mm/20211025064220.13904-1-sj@kernel.org/


Thanks,
SJ

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