[PATCH 5/8] filemap: Remove find_subpage()

["Matthew Wilcox (Oracle)" <willy@infradead.org>]

All users of this function now call folio_file_page() instead.
Delete it.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
 include/linux/pagemap.h | 13 -------------
 1 file changed, 13 deletions(-)

diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index cd4bd0f8e5f6..0ddd4bd8cdf8 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -945,19 +945,6 @@ static inline bool folio_contains(struct folio *folio, pgoff_t index)
 	return index - folio_index(folio) < folio_nr_pages(folio);
 }
 
-/*
- * Given the page we found in the page cache, return the page corresponding
- * to this index in the file
- */
-static inline struct page *find_subpage(struct page *head, pgoff_t index)
-{
-	/* HugeTLBfs wants the head page regardless */
-	if (PageHuge(head))
-		return head;
-
-	return head + (index & (thp_nr_pages(head) - 1));
-}
-
 unsigned filemap_get_folios(struct address_space *mapping, pgoff_t *start,
 		pgoff_t end, struct folio_batch *fbatch);
 unsigned filemap_get_folios_contig(struct address_space *mapping,
-- 
2.47.2