From: Matthew Wilcox (Oracle) Date: Wed, 2 Apr 2025 21:06:07 +0000 (+0100) Subject: filemap: remove find_subpage() X-Git-Tag: v6.16-rc1~92^2~268 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9c532d79082f9f2e58a45f2e92020dda65b7dedd;p=thirdparty%2Fkernel%2Flinux.git filemap: remove find_subpage() All users of this function now call folio_file_page() instead. Delete it. Link: https://lkml.kernel.org/r/20250402210612.2444135-6-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: David Hildenbrand Signed-off-by: Andrew Morton --- diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index cd4bd0f8e5f63..0ddd4bd8cdf82 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,