mm: remove invalidate_inode_page()

All callers are now converted to call mapping_evict_folio().

Link: https://lkml.kernel.org/r/20231108182809.602073-7-willy@infradead.orgSigned-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Naoya Horiguchi <naoya.horiguchi@nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

mm/internal.h

@@ -139,7 +139,6 @@ int truncate_inode_folio(struct address_space *mapping, struct folio *folio);
 bool truncate_inode_partial_folio(struct folio *folio, loff_t start,
 		loff_t end);
 long mapping_evict_folio(struct address_space *mapping, struct folio *folio);
-long invalidate_inode_page(struct page *page);
 unsigned long mapping_try_invalidate(struct address_space *mapping,
 		pgoff_t start, pgoff_t end, unsigned long *nr_failed);
 

mm/truncate.c

@@ -294,13 +294,6 @@ long mapping_evict_folio(struct address_space *mapping, struct folio *folio)
 	return remove_mapping(mapping, folio);
 }
 
-long invalidate_inode_page(struct page *page)
-{
-	struct folio *folio = page_folio(page);
-
-	return mapping_evict_folio(folio_mapping(folio), folio);
-}
-
 /**
  * truncate_inode_pages_range - truncate range of pages specified by start & end byte offsets
  * @mapping: mapping to truncate
@@ -559,9 +552,9 @@ unsigned long invalidate_mapping_pages(struct address_space *mapping,
 EXPORT_SYMBOL(invalidate_mapping_pages);
 
 /*
- * This is like invalidate_inode_page(), except it ignores the page's
+ * This is like mapping_evict_folio(), except it ignores the folio's
  * refcount.  We do this because invalidate_inode_pages2() needs stronger
- * invalidation guarantees, and cannot afford to leave pages behind because
+ * invalidation guarantees, and cannot afford to leave folios behind because
  * shrink_page_list() has a temp ref on them, or because they're transiently
  * sitting in the folio_add_lru() caches.
  */