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mm/rmap: remove page_try_dup_anon_rmap()
All users are gone, remove page_try_dup_anon_rmap() and any remaining traces. Link: https://lkml.kernel.org/r/20231220224504.646757-38-david@redhat.com Signed-off-by: David Hildenbrand <david@redhat.com> Cc: Hugh Dickins <hughd@google.com> Cc: Matthew Wilcox (Oracle) <willy@infradead.org> Cc: Muchun Song <muchun.song@linux.dev> Cc: Muchun Song <songmuchun@bytedance.com> Cc: Peter Xu <peterx@redhat.com> Cc: Ryan Roberts <ryan.roberts@arm.com> Cc: Yin Fengwei <fengwei.yin@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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@ -253,7 +253,7 @@ void hugetlb_add_anon_rmap(struct folio *, struct vm_area_struct *,
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void hugetlb_add_new_anon_rmap(struct folio *, struct vm_area_struct *,
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void hugetlb_add_new_anon_rmap(struct folio *, struct vm_area_struct *,
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unsigned long address);
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unsigned long address);
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/* See page_try_dup_anon_rmap() */
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/* See folio_try_dup_anon_rmap_*() */
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static inline int hugetlb_try_dup_anon_rmap(struct folio *folio,
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static inline int hugetlb_try_dup_anon_rmap(struct folio *folio,
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struct vm_area_struct *vma)
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struct vm_area_struct *vma)
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{
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{
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@ -478,16 +478,6 @@ static inline int folio_try_dup_anon_rmap_pmd(struct folio *folio,
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#endif
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#endif
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}
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}
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static inline int page_try_dup_anon_rmap(struct page *page, bool compound,
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struct vm_area_struct *vma)
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{
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struct folio *folio = page_folio(page);
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if (likely(!compound))
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return folio_try_dup_anon_rmap_pte(folio, page, vma);
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return folio_try_dup_anon_rmap_pmd(folio, page, vma);
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}
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/**
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/**
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* page_try_share_anon_rmap - try marking an exclusive anonymous page possibly
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* page_try_share_anon_rmap - try marking an exclusive anonymous page possibly
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* shared to prepare for KSM or temporary unmapping
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* shared to prepare for KSM or temporary unmapping
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@ -496,8 +486,8 @@ static inline int page_try_dup_anon_rmap(struct page *page, bool compound,
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* The caller needs to hold the PT lock and has to have the page table entry
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* The caller needs to hold the PT lock and has to have the page table entry
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* cleared/invalidated.
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* cleared/invalidated.
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*
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*
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* This is similar to page_try_dup_anon_rmap(), however, not used during fork()
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* This is similar to folio_try_dup_anon_rmap_*(), however, not used during
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* to duplicate a mapping, but instead to prepare for KSM or temporarily
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* fork() to duplicate a mapping, but instead to prepare for KSM or temporarily
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* unmapping a page (swap, migration) via folio_remove_rmap_*().
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* unmapping a page (swap, migration) via folio_remove_rmap_*().
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*
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*
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* Marking the page shared can only fail if the page may be pinned; device
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* Marking the page shared can only fail if the page may be pinned; device
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