From bbc6b703b21963e909f633cf7718903ed5094319 Mon Sep 17 00:00:00 2001
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Date: Sat, 1 May 2021 20:42:23 -0400
Subject: mm/memcg: Convert mem_cgroup_uncharge() to take a folio

Convert all the callers to call page_folio().  Most of them were already
using a head page, but a few of them I can't prove were, so this may
actually fix a bug.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Reviewed-by: David Howells <dhowells@redhat.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
---
 mm/swap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'mm/swap.c')

diff --git a/mm/swap.c b/mm/swap.c
index 0edbcb9c8876..5679ce5bc362 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -94,7 +94,7 @@ static void __page_cache_release(struct page *page)
 static void __put_single_page(struct page *page)
 {
 	__page_cache_release(page);
-	mem_cgroup_uncharge(page);
+	mem_cgroup_uncharge(page_folio(page));
 	free_unref_page(page, 0);
 }
 
-- 
cgit 1.4.1