Re: mmotm 2021-05-12-21-46 uploaded (arch/x86/mm/pgtable.c)

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Le 13/05/2021 à 17:54, Randy Dunlap a écrit :
On 5/12/21 9:47 PM, akpm@xxxxxxxxxxxxxxxxxxxx wrote:
The mm-of-the-moment snapshot 2021-05-12-21-46 has been uploaded to

    https://www.ozlabs.org/~akpm/mmotm/

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


on i386:

../arch/x86/mm/pgtable.c:703:5: error: redefinition of ‘pud_set_huge’
  int pud_set_huge(pud_t *pud, phys_addr_t addr, pgprot_t prot)
      ^~~~~~~~~~~~
In file included from ../include/linux/mm.h:33:0,
                  from ../arch/x86/mm/pgtable.c:2:
../include/linux/pgtable.h:1387:19: note: previous definition of ‘pud_set_huge’ was here
  static inline int pud_set_huge(pud_t *pud, phys_addr_t addr, pgprot_t prot)
                    ^~~~~~~~~~~~
../arch/x86/mm/pgtable.c:758:5: error: redefinition of ‘pud_clear_huge’
  int pud_clear_huge(pud_t *pud)
      ^~~~~~~~~~~~~~
In file included from ../include/linux/mm.h:33:0,
                  from ../arch/x86/mm/pgtable.c:2:
../include/linux/pgtable.h:1391:19: note: previous definition of ‘pud_clear_huge’ was here
  static inline int pud_clear_huge(pud_t *pud)
                    ^~~~~~~~~~~~~~

Hum ...

Comes from my patch https://patchwork.ozlabs.org/project/linuxppc-dev/patch/5ac5976419350e8e048d463a64cae449eb3ba4b0.1620795204.git.christophe.leroy@xxxxxxxxxx/

But, that happens only if x86 defines __PAGETABLE_PUD_FOLDED. And if PUD is folded, then I can't understand my it has pud_set_huge() and pud_clear_huge() functions.

Christophe



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