diff options
| author | Anshuman Khandual <anshuman.khandual@arm.com> | 2026-02-27 06:12:04 +0000 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2026-04-05 13:53:11 -0700 |
| commit | 4d267106ab013aa7f21aeab0a5272ac952f31d22 (patch) | |
| tree | 3e65f71e340ea8cb08ecfef78f4a9c5ded99dfe7 /mm/debug_vm_pgtable.c | |
| parent | 99573ef4ac30d4eae7a7937f0c9ea351991e3ccc (diff) | |
mm/debug_vm_pgtable: replace WRITE_ONCE() with pxd_clear()
Replace WRITE_ONCE() with generic pxd_clear() to clear out the page table
entries as required. Besides this does not cause any functional change as
well.
Link: https://lkml.kernel.org/r/20260227061204.2215395-1-anshuman.khandual@arm.com
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Suggested-by: Ryan Roberts <ryan.roberts@arm.com>
Acked-by: David Hildenbrand (Arm) <david@kernel.org>
Ackeed-by: SeongJae Park <sj@kernel.org>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/debug_vm_pgtable.c')
| -rw-r--r-- | mm/debug_vm_pgtable.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/debug_vm_pgtable.c b/mm/debug_vm_pgtable.c index 83cf07269f13..23dc3ee09561 100644 --- a/mm/debug_vm_pgtable.c +++ b/mm/debug_vm_pgtable.c @@ -445,7 +445,7 @@ static void __init pmd_huge_tests(struct pgtable_debug_args *args) * X86 defined pmd_set_huge() verifies that the given * PMD is not a populated non-leaf entry. */ - WRITE_ONCE(*args->pmdp, __pmd(0)); + pmd_clear(args->pmdp); WARN_ON(!pmd_set_huge(args->pmdp, __pfn_to_phys(args->fixed_pmd_pfn), args->page_prot)); WARN_ON(!pmd_clear_huge(args->pmdp)); pmd = pmdp_get(args->pmdp); @@ -465,7 +465,7 @@ static void __init pud_huge_tests(struct pgtable_debug_args *args) * X86 defined pud_set_huge() verifies that the given * PUD is not a populated non-leaf entry. */ - WRITE_ONCE(*args->pudp, __pud(0)); + pud_clear(args->pudp); WARN_ON(!pud_set_huge(args->pudp, __pfn_to_phys(args->fixed_pud_pfn), args->page_prot)); WARN_ON(!pud_clear_huge(args->pudp)); pud = pudp_get(args->pudp); |