Hi all, On Mon, 2 Sep 2024 11:21:01 +1000 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote: > > Today's linux-next merge of the fs-next tree got a conflict in: > > include/linux/huge_mm.h > > between commit: > > bc47772ebe8b ("mm: introduce a pageflag for partially mapped folios") > > from the mm-unstable branch of the mm tree and commit: > > fd031210c9ce ("mm: split a folio in minimum folio order chunks") > > from the vfs-brauner tree. > > I fixed it up (see below) and can carry the fix as necessary. This > is now fixed as far as linux-next is concerned, but any non trivial > conflicts should be mentioned to your upstream maintainer when your tree > is submitted for merging. You may also want to consider cooperating > with the maintainer of the conflicting tree to minimise any particularly > complex conflicts. > > diff --cc include/linux/huge_mm.h > index 0b0539f4ee1a,7c50aeed0522..000000000000 > --- a/include/linux/huge_mm.h > +++ b/include/linux/huge_mm.h > @@@ -326,14 -316,15 +328,15 @@@ unsigned long thp_get_unmapped_area_vmf > unsigned long len, unsigned long pgoff, unsigned long flags, > vm_flags_t vm_flags); > > -bool can_split_folio(struct folio *folio, int *pextra_pins); > +bool can_split_folio(struct folio *folio, int caller_pins, int *pextra_pins); > int split_huge_page_to_list_to_order(struct page *page, struct list_head *list, > unsigned int new_order); > + int split_folio_to_list(struct folio *folio, struct list_head *list); > static inline int split_huge_page(struct page *page) > { > - return split_huge_page_to_list_to_order(page, NULL, 0); > + return split_folio(page_folio(page)); > } > -void deferred_split_folio(struct folio *folio); > +void deferred_split_folio(struct folio *folio, bool partially_mapped); > > void __split_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd, > unsigned long address, bool freeze, struct folio *folio); > @@@ -502,7 -487,13 +505,13 @@@ static inline int split_huge_page(struc > { > return 0; > } > + > + static inline int split_folio_to_list(struct folio *folio, struct list_head *list) > + { > + return 0; > + } > + > -static inline void deferred_split_folio(struct folio *folio) {} > +static inline void deferred_split_folio(struct folio *folio, bool partially_mapped) {} > #define split_huge_pmd(__vma, __pmd, __address) \ > do { } while (0) > This is now a conflict between the vfs-brauner tree and the mm-stable tree. -- Cheers, Stephen Rothwell
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