mm/lru: Add folio_add_lru()

Reimplement lru_cache_add() as a wrapper around folio_add_lru().
Saves 159 bytes of kernel text due to removing calls to compound_head().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: David Howells <dhowells@redhat.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>

1 files changed, 6 insertions, 0 deletions

diff --git a/mm/folio-compat.c b/mm/folio-compat.c
index c1e01bc36d32..6de3cd78a4ae 100644
--- a/mm/folio-compat.c
+++ b/mm/folio-compat.c
@@ -102,3 +102,9 @@ bool redirty_page_for_writepage(struct writeback_control *wbc,
 	return folio_redirty_for_writepage(wbc, page_folio(page));
 }
 EXPORT_SYMBOL(redirty_page_for_writepage);
+
+void lru_cache_add(struct page *page)
+{
+	folio_add_lru(page_folio(page));
+}
+EXPORT_SYMBOL(lru_cache_add);