linux-kernel - [PATCH 2/4] rmap: fix typo in folio_add_file_rmap

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Message-Id: <20230530080731.1462122-3-fengwei.yin@intel.com>
Date:   Tue, 30 May 2023 16:07:29 +0800
From:   Yin Fengwei <fengwei.yin@...el.com>
To:     willy@...radead.org, ryan.roberts@....com,
        linux-arch@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Cc:     fengwei.yin@...el.com
Subject: [PATCH 2/4] rmap: fix typo in folio_add_file_rmap_range()

The "first" should be used to compare with COMPOUND_MAPPED
instead of "nr".

Signed-off-by: Yin Fengwei <fengwei.yin@...el.com>
---
 mm/rmap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/rmap.c b/mm/rmap.c
index ec52d7f264aa..b352c14da16c 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -1330,7 +1330,7 @@ void folio_add_file_rmap_range(struct folio *folio, struct page *page,
 			first = atomic_inc_and_test(&page->_mapcount);
 			if (first && folio_test_large(folio)) {
 				first = atomic_inc_return_relaxed(mapped);
-				first = (nr < COMPOUND_MAPPED);
+				first = (first < COMPOUND_MAPPED);
 			}
 
 			if (first)
-- 
2.30.2