From d1d8a3b4d06d8c9188f2b9b89ef053db0bf899de Mon Sep 17 00:00:00 2001
From: Matthew Wilcox (Oracle)
Date: Fri, 24 Dec 2021 13:26:22 -0500
Subject: mm: Turn isolate_lru_page() into folio_isolate_lru()

Add isolate_lru_page() as a wrapper around isolate_lru_folio().
TestClearPageLRU() would have always failed on a tail page, so
returning -EBUSY is the same behaviour.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
---
 mm/internal.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'mm/internal.h')

diff --git a/mm/internal.h b/mm/internal.h
index 98b97cb5a97b..69e88fb7546e 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -152,7 +152,8 @@ extern unsigned long highest_memmap_pfn;
 /*
  * in mm/vmscan.c:
  */
-extern int isolate_lru_page(struct page *page);
+int isolate_lru_page(struct page *page);
+int folio_isolate_lru(struct folio *folio);
 extern void putback_lru_page(struct page *page);
 extern void reclaim_throttle(pg_data_t *pgdat, enum vmscan_throttle_state reason);
 
-- 
cgit v1.2.3