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

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Date:   Wed, 13 Oct 2021 22:15:05 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     akpm@...ux-foundation.org, broonie@...nel.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, linux-next@...r.kernel.org, mhocko@...e.cz,
        mm-commits@...r.kernel.org, sfr@...b.auug.org.au,
        SeongJae Park <sj@...nel.org>
Subject: Re: mmotm 2021-10-13-19-52 uploaded (mm/damon/vaddr.c)

On 10/13/21 7:52 PM, akpm@...ux-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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