linux-kernel - Re: mm/damon/reclaim.c:252:15: error: implicit declaration of function 'damon_commit

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Message-ID: <Zv63hjE1oT2A4tET@rli9-mobl>
Date: Thu, 3 Oct 2024 23:25:58 +0800
From: Philip Li <philip.li@...el.com>
To: SeongJae Park <sj@...nel.org>
CC: kernel test robot <lkp@...el.com>, <oe-kbuild-all@...ts.linux.dev>,
	<linux-kernel@...r.kernel.org>, Andrew Morton <akpm@...ux-foundation.org>,
	Linux Memory Management List <linux-mm@...ck.org>
Subject: Re: mm/damon/reclaim.c:252:15: error: implicit declaration of
 function 'damon_commit_ctx'

On Tue, Oct 01, 2024 at 03:17:12PM -0700, SeongJae Park wrote:
> From: sj@...nel.org
> 
> 
> Hi Robot,
> 
> On Wed, 2 Oct 2024 02:09:06 +0800 kernel test robot <lkp@...el.com> wrote:
> 
> > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> > head:   e32cde8d2bd7d251a8f9b434143977ddf13dcec6
> > commit: 11ddcfc257a3e8d7b13b42148ee7e783f4876da4 mm/damon/reclaim: use damon_commit_ctx()
> > date:   3 months ago
> > config: x86_64-randconfig-001-20231120 (https://download.01.org/0day-ci/archive/20241002/202410020227.oOh0SBIj-lkp@intel.com/config)
> > compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
> > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241002/202410020227.oOh0SBIj-lkp@intel.com/reproduce)
> >
> > If you fix the issue in a separate patch/commit (i.e. not just a new version of
> > the same patch/commit), kindly add following tags
> > | Reported-by: kernel test robot <lkp@...el.com>
> > | Closes: https://lore.kernel.org/oe-kbuild-all/202410020227.oOh0SBIj-lkp@intel.com/
> >
> > All errors (new ones prefixed by >>):
> >
> [...]
>     mm/damon/reclaim.c:247:15: error: implicit declaration of function 'damon_set_region_biggest_system_ram_default' [-Werror=implicit-function-declaration]
> >      247 |         err = damon_set_region_biggest_system_ram_default(param_target,
> >          |               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > >> mm/damon/reclaim.c:252:15: error: implicit declaration of function 'damon_commit_ctx' [-Werror=implicit-function-declaration]
> >      252 |         err = damon_commit_ctx(ctx, param_ctx);
> >          |               ^~~~~~~~~~~~~~~~
> > >> mm/damon/reclaim.c:254:9: error: implicit declaration of function 'damon_destroy_ctx'; did you mean 'mm_destroy_cid'? [-Werror=implicit-function-declaration]
> >      254 |         damon_destroy_ctx(param_ctx);
> >          |         ^~~~~~~~~~~~~~~~~
> >          |         mm_destroy_cid
> >    mm/damon/reclaim.c: In function 'damon_reclaim_turn':
> >    mm/damon/reclaim.c:263:23: error: implicit declaration of function 'damon_stop' [-Werror=implicit-function-declaration]
> >      263 |                 err = damon_stop(&ctx, 1);
> >          |                       ^~~~~~~~~~
> >    mm/damon/reclaim.c:273:15: error: implicit declaration of function 'damon_start' [-Werror=implicit-function-declaration]
> >      273 |         err = damon_start(&ctx, 1, true);
> >          |               ^~~~~~~~~~~
> >    cc1: some warnings being treated as errors
> 
> Thank you for reporting.  I tried to reproduce the issue following the kind
> reproducer, but I was unable to get the error.  Maybe something in testing
> setup is wrong?  Please let me know if I'm missing something.

Sorry SJ about the false report, kindly ignore this. The bot side will look
into the detail to resolve the issue asap.

> 
>     $ make W=1 O=../linux.out.kbuild/ ARCH=x86_64 SHELL=/bin/bash drivers/iio/accel/ drivers/iio/chemical/ drivers/iio/dac/ drivers/input/touchscreen/ drivers/mfd/ drivers/usb/host/ mm/damon/
>     [...]
>       CC      mm/damon/sysfs.o
>       CC      mm/damon/modules-common.o
>       CC      mm/damon/reclaim.o
>       CC      mm/damon/lru_sort.o
>       AR      mm/damon/built-in.a
>     [...]
> 
> 
> Thanks,
> SJ
> 
> [...]
>