[PATCH v2 14/18] mm: Remove free_unref_page_list()

["Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>]

All callers now use free_unref_folios() so we can delete this function.

Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Reviewed-by: Ryan Roberts <ryan.roberts@xxxxxxx>
---
 mm/internal.h   |  1 -
 mm/page_alloc.c | 18 ------------------
 2 files changed, 19 deletions(-)

diff --git a/mm/internal.h b/mm/internal.h
index 4d45b351e0fd..3e2b478c610f 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -451,7 +451,6 @@ extern int user_min_free_kbytes;
 
 void free_unref_page(struct page *page, unsigned int order);
 void free_unref_folios(struct folio_batch *fbatch);
-void free_unref_page_list(struct list_head *list);
 
 extern void zone_pcp_reset(struct zone *zone);
 extern void zone_pcp_disable(struct zone *zone);
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index eca5b153f732..7600344b997e 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2641,24 +2641,6 @@ void free_unref_folios(struct folio_batch *folios)
 	folios->nr = 0;
 }
 
-void free_unref_page_list(struct list_head *list)
-{
-	struct folio_batch fbatch;
-
-	folio_batch_init(&fbatch);
-	while (!list_empty(list)) {
-		struct folio *folio = list_first_entry(list, struct folio, lru);
-
-		list_del(&folio->lru);
-		if (folio_batch_add(&fbatch, folio) > 0)
-			continue;
-		free_unref_folios(&fbatch);
-	}
-
-	if (fbatch.nr)
-		free_unref_folios(&fbatch);
-}
-
 /*
  * split_page takes a non-compound higher-order page, and splits it into
  * n (1<<order) sub-pages: page[0..n]
-- 
2.43.0