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

Randy Dunlap
2021-10-14T05:15:13Z

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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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