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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Yang Shi <shy828301@gmail.com>,
        Muchun Song <songmuchun@bytedance.com>,
        "Matthew Wilcox (Oracle)" <willy@infradead.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.18 0715/1095] mm: rmap: use the correct parameter name for DEFINE_PAGE_VMA_WALK
Date:   Mon, 15 Aug 2022 20:01:54 +0200
Message-Id: <20220815180458.976610783@linuxfoundation.org>
In-Reply-To: <20220815180429.240518113@linuxfoundation.org>
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From: Yang Shi <shy828301@gmail.com>

[ Upstream commit 507db7927cd181d409dd495c8384b8e14c21c600 ]

The parameter used by DEFINE_PAGE_VMA_WALK is _page not page, fix the
parameter name.  It didn't cause any build error, it is probably because
the only caller is write_protect_page() from ksm.c, which pass in page.

Link: https://lkml.kernel.org/r/20220512174551.81279-1-shy828301@gmail.com
Fixes: 2aff7a4755be ("mm: Convert page_vma_mapped_walk to work on PFNs")
Signed-off-by: Yang Shi <shy828301@gmail.com>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Muchun Song <songmuchun@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 include/linux/rmap.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/rmap.h b/include/linux/rmap.h
index 17230c458341..a0c4a870bb48 100644
--- a/include/linux/rmap.h
+++ b/include/linux/rmap.h
@@ -220,8 +220,8 @@ struct page_vma_mapped_walk {
 #define DEFINE_PAGE_VMA_WALK(name, _page, _vma, _address, _flags)	\
 	struct page_vma_mapped_walk name = {				\
 		.pfn = page_to_pfn(_page),				\
-		.nr_pages = compound_nr(page),				\
-		.pgoff = page_to_pgoff(page),				\
+		.nr_pages = compound_nr(_page),				\
+		.pgoff = page_to_pgoff(_page),				\
 		.vma = _vma,						\
 		.address = _address,					\
 		.flags = _flags,					\
-- 
2.35.1