Thread (106 messages) 106 messages, 6 authors, 2022-01-08
STALE1628d

[PATCH 15/48] filemap: Remove thp_contains()

From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Date: 2021-12-08 04:23:56
Also in: linux-fsdevel
Subsystem: page cache, the rest · Maintainers: Matthew Wilcox, Linus Torvalds

This function is now unused, so delete it.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
 include/linux/pagemap.h | 9 ---------
 1 file changed, 9 deletions(-)
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index 3f26b191ede3..8c2cad7f0c36 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -512,15 +512,6 @@ static inline struct page *grab_cache_page_nowait(struct address_space *mapping,
 			mapping_gfp_mask(mapping));
 }
 
-/* Does this page contain this index? */
-static inline bool thp_contains(struct page *head, pgoff_t index)
-{
-	/* HugeTLBfs indexes the page cache in units of hpage_size */
-	if (PageHuge(head))
-		return head->index == index;
-	return page_index(head) == (index & ~(thp_nr_pages(head) - 1UL));
-}
-
 #define swapcache_index(folio)	__page_file_index(&(folio)->page)
 
 /**
-- 
2.33.0

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