Re: mmotm 2021-10-13-19-52 uploaded (mm/damon/vaddr.c)

From: Randy Dunlap <rdunlap@infradead.org>
To: akpm@linux-foundation.org, broonie@kernel.org,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-mm@kvack.org, linux-next@vger.kernel.org, mhocko@suse.cz,
	mm-commits@vger.kernel.org, sfr@canb.auug.org.au,
	SeongJae Park <sj@kernel.org>
Subject: Re: mmotm 2021-10-13-19-52 uploaded (mm/damon/vaddr.c)
Date: Wed, 13 Oct 2021 22:15:05 -0700	[thread overview]
Message-ID: <2232228f-573b-ac19-1cb0-88690fdf6177@infradead.org> (raw)
In-Reply-To: <20211014025253._Y2qHd82A%akpm@linux-foundation.org>

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On 10/13/21 7:52 PM, akpm@linux-foundation.org wrote:
> mmotm-readme.txt says
> 
> README for mm-of-the-moment:
> 
> https://www.ozlabs.org/~akpm/mmotm/
> 
> This is a snapshot of my -mm patch queue.  Uploaded at random hopefully
> more than once a week.
> 
> You will need quilt to apply these patches to the latest Linus release (5.x
> or 5.x-rcY).  The series file is in broken-out.tar.gz and is duplicated in
> https://ozlabs.org/~akpm/mmotm/series
> 
> The file broken-out.tar.gz contains two datestamp files: .DATE and
> .DATE-yyyy-mm-dd-hh-mm-ss.  Both contain the string yyyy-mm-dd-hh-mm-ss,
> followed by the base kernel version against which this patch series is to
> be applied.

on i386:

In file included from ../include/linux/mm.h:33:0,
                  from ../include/linux/kallsyms.h:13,
                  from ../include/linux/bpf.h:20,
                  from ../include/linux/bpf-cgroup.h:5,
                  from ../include/linux/cgroup-defs.h:22,
                  from ../include/linux/cgroup.h:28,
                  from ../include/linux/hugetlb.h:9,
                  from ../mm/damon/vaddr.c:11:
../mm/damon/vaddr.c: In function ‘damon_mkold_pmd_entry’:
../include/linux/pgtable.h:97:12: error: implicit declaration of function ‘kmap_atomic’; did you mean ‘mcopy_atomic’? [-Werror=implicit-function-declaration]
   ((pte_t *)kmap_atomic(pmd_page(*(dir))) +  \
             ^
../include/linux/mm.h:2376:17: note: in expansion of macro ‘pte_offset_map’
   pte_t *__pte = pte_offset_map(pmd, address); \
                  ^~~~~~~~~~~~~~
../mm/damon/vaddr.c:387:8: note: in expansion of macro ‘pte_offset_map_lock’
   pte = pte_offset_map_lock(walk->mm, pmd, addr, &ptl);
         ^~~~~~~~~~~~~~~~~~~
../include/linux/pgtable.h:99:24: error: implicit declaration of function ‘kunmap_atomic’; did you mean ‘in_atomic’? [-Werror=implicit-function-declaration]
  #define pte_unmap(pte) kunmap_atomic((pte))
                         ^
../include/linux/mm.h:2384:2: note: in expansion of macro ‘pte_unmap’
   pte_unmap(pte);     \
   ^~~~~~~~~
../mm/damon/vaddr.c:392:2: note: in expansion of macro ‘pte_unmap_unlock’
   pte_unmap_unlock(pte, ptl);
   ^~~~~~~~~~~~~~~~

Full randconfig file is attached.

-- 
~Randy

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