[PATCH 01/13] mm/memory-failure: simplify put_ref_page()

[Miaohe Lin <linmiaohe@huawei.com>]

Remove unneeded page != NULL check. pfn_to_page() won't return NULL.
No functional change intended.

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
---
 mm/memory-failure.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index ac030061eda0..922c902a7229 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -2150,14 +2150,10 @@ static inline unsigned long folio_free_raw_hwp(struct folio *folio, bool flag)
 /* Drop the extra refcount in case we come from madvise() */
 static void put_ref_page(unsigned long pfn, int flags)
 {
-	struct page *page;
-
 	if (!(flags & MF_COUNT_INCREASED))
 		return;
 
-	page = pfn_to_page(pfn);
-	if (page)
-		put_page(page);
+	put_page(pfn_to_page(pfn));
 }
 
 static int memory_failure_dev_pagemap(unsigned long pfn, int flags,
-- 
2.33.0