In assert_pte_locked(), we just get the ptl and assert if it was already
held, so convert it to using pte_offset_map_ro_nolock().
Signed-off-by: Qi Zheng <zhengqi.arch@bytedance.com>
Acked-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Muchun Song <muchun.song@linux.dev>
---
arch/powerpc/mm/pgtable.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/mm/pgtable.c b/arch/powerpc/mm/pgtable.c
index 7316396e452d8..61df5aed79894 100644
--- a/arch/powerpc/mm/pgtable.c
+++ b/arch/powerpc/mm/pgtable.c
@@ -398,7 +398,7 @@ void assert_pte_locked(struct mm_struct *mm, unsigned long addr)
*/
if (pmd_none(*pmd))
return;
- pte = pte_offset_map_nolock(mm, pmd, addr, &ptl);
+ pte = pte_offset_map_ro_nolock(mm, pmd, addr, &ptl);
BUG_ON(!pte);
assert_spin_locked(ptl);
pte_unmap(pte);
--
2.20.1