linux-kernel - [PATCH 1/2] mm: rmap: use the correct parameter name for DEFINE_PAGE_VMA

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Date:   Thu, 12 May 2022 10:45:50 -0700
From:   Yang Shi <shy828301@...il.com>
To:     willy@...radead.org, songmuchun@...edance.com,
        akpm@...ux-foundation.org
Cc:     shy828301@...il.com, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] mm: rmap: use the correct parameter name for DEFINE_PAGE_VMA_WALK

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.

Fixes: 2aff7a4755be ("mm: Convert page_vma_mapped_walk to work on PFNs")
Signed-off-by: Yang Shi <shy828301@...il.com>
---
 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 cbe279a6f0de..d4f1c0bdd084 100644
--- a/include/linux/rmap.h
+++ b/include/linux/rmap.h
@@ -320,8 +320,8 @@ 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,					\
-- 
2.26.3