linux-kernel - [PATCH] mm/page_vma_mapped.c: use helper function huge_pte

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Date:   Sat, 9 Jul 2022 17:24:40 +0800
From:   Miaohe Lin <linmiaohe@...wei.com>
To:     <akpm@...ux-foundation.org>
CC:     <linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>,
        <linmiaohe@...wei.com>
Subject: [PATCH] mm/page_vma_mapped.c: use helper function huge_pte_lock

Use helper function huge_pte_lock to lock the huge pte to simplify the
code a bit. No functional change intended.

Signed-off-by: Miaohe Lin <linmiaohe@...wei.com>
---
 mm/page_vma_mapped.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mm/page_vma_mapped.c b/mm/page_vma_mapped.c
index e971a467fcdf..8e9e574d535a 100644
--- a/mm/page_vma_mapped.c
+++ b/mm/page_vma_mapped.c
@@ -174,8 +174,7 @@ bool page_vma_mapped_walk(struct page_vma_mapped_walk *pvmw)
 		if (!pvmw->pte)
 			return false;
 
-		pvmw->ptl = huge_pte_lockptr(hstate, mm, pvmw->pte);
-		spin_lock(pvmw->ptl);
+		pvmw->ptl = huge_pte_lock(hstate, mm, pvmw->pte);
 		if (!check_pte(pvmw))
 			return not_found(pvmw);
 		return true;
-- 
2.23.0