Hi all,
After merging the mm-hotfixes tree, today's linux-next build (powerpc
ppc64_defconfig) failed like this:
mm/gup.c: In function 'gup_hugepte':
mm/gup.c:474:25: error: implicit declaration of function 'try_grab_folio_fast'; did you mean 'try_grab_folio'? [-Werror=implicit-function-declaration]
474 | folio = try_grab_folio_fast(page, refs, flags);
| ^~~~~~~~~~~~~~~~~~~
| try_grab_folio
mm/gup.c:474:23: warning: assignment to 'struct folio *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
474 | folio = try_grab_folio_fast(page, refs, flags);
| ^
mm/gup.c: At top level:
mm/gup.c:2747:22: error: conflicting types for 'try_grab_folio_fast'; have 'struct folio *(struct page *, int, unsigned int)'
2747 | static struct folio *try_grab_folio_fast(struct page *page, int refs,
| ^~~~~~~~~~~~~~~~~~~
mm/gup.c:474:25: note: previous implicit declaration of 'try_grab_folio_fast' with type 'int()'
474 | folio = try_grab_folio_fast(page, refs, flags);
| ^~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
Caused by commit
5f408bfe0d13 ("mm: gup: stop abusing try_grab_folio")
I have reverted that commit for today.
--
Cheers,
Stephen Rothwell
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