diff mbox series

[v2,05/10] hugetlb: Use helper {huge_pte|pmd}_lock()

Message ID 20220901120030.63318-6-linmiaohe@huawei.com (mailing list archive)
State New
Headers show
Series A few cleanup patches for hugetlb | expand

Commit Message

Miaohe Lin Sept. 1, 2022, noon UTC 
Use helper huge_pte_lock and pmd_lock to simplify the code. No functional
change intended.

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
---
 mm/hugetlb.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index c29b444a5515..d35381de90c3 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -6094,8 +6094,7 @@  int hugetlb_mcopy_atomic_pte(struct mm_struct *dst_mm,
 		page_in_pagecache = true;
 	}
 
-	ptl = huge_pte_lockptr(h, dst_mm, dst_pte);
-	spin_lock(ptl);
+	ptl = huge_pte_lock(h, dst_mm, dst_pte);
 
 	/*
 	 * We allow to overwrite a pte marker: consider when both MISSING|WP
@@ -7176,8 +7175,7 @@  follow_huge_pmd(struct mm_struct *mm, unsigned long address,
 		return NULL;
 
 retry:
-	ptl = pmd_lockptr(mm, pmd);
-	spin_lock(ptl);
+	ptl = pmd_lock(mm, pmd);
 	/*
 	 * make sure that the address range covered by this pmd is not
 	 * unmapped from other threads.