mm/rmap: remove page_add_file_rmap()

All users are gone, let's remove it.

Link: https://lkml.kernel.org/r/20231220224504.646757-13-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Yin Fengwei <fengwei.yin@intel.com>
Reviewed-by: Ryan Roberts <ryan.roberts@arm.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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/include/linux/rmap.h b/include/linux/rmap.h
index 3d86a76..6a4db69 100644 (file)
--- a/include/linux/rmap.h
+++ b/include/linux/rmap.h
@@ -237,8 +237,6 @@ void page_add_anon_rmap(struct page *, struct vm_area_struct *,
                unsigned long address, rmap_t flags);
 void folio_add_new_anon_rmap(struct folio *, struct vm_area_struct *,
                unsigned long address);
-void page_add_file_rmap(struct page *, struct vm_area_struct *,
-               bool compound);
 void folio_add_file_rmap_ptes(struct folio *, struct page *, int nr_pages,
                struct vm_area_struct *);
 #define folio_add_file_rmap_pte(folio, page, vma) \

diff --git a/mm/rmap.c b/mm/rmap.c
index cc1fc2d..5ab5ef1 100644 (file)
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -1467,27 +1467,6 @@ void folio_add_file_rmap_pmd(struct folio *folio, struct page *page,
 #endif
 }
 
-/**
- * page_add_file_rmap - add pte mapping to a file page
- * @page:      the page to add the mapping to
- * @vma:       the vm area in which the mapping is added
- * @compound:  charge the page as compound or small page
- *
- * The caller needs to hold the pte lock.
- */
-void page_add_file_rmap(struct page *page, struct vm_area_struct *vma,
-               bool compound)
-{
-       struct folio *folio = page_folio(page);
-
-       VM_WARN_ON_ONCE_PAGE(compound && !PageTransHuge(page), page);
-
-       if (likely(!compound))
-               folio_add_file_rmap_pte(folio, page, vma);
-       else
-               folio_add_file_rmap_pmd(folio, page, vma);
-}
-
 /**
  * page_remove_rmap - take down pte mapping from a page
  * @page:      page to remove mapping from