aboutsummaryrefslogtreecommitdiff
path: root/arch/powerpc/mm/pgtable.c
diff options
context:
space:
mode:
authorQi Zheng <[email protected]>2024-09-26 14:46:15 +0800
committerAndrew Morton <[email protected]>2024-11-05 16:56:26 -0800
commit7aefa59899e576db093ff077fd1ebd0d1b748f33 (patch)
tree2066883a74b7ee6acd231444e1644e22d18bc3b4 /arch/powerpc/mm/pgtable.c
parent66efef9b1a7d6cc725efa9395fb390483ad5b555 (diff)
powerpc: assert_pte_locked() use pte_offset_map_ro_nolock()
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(). Link: https://lkml.kernel.org/r/42559e042eb6fc3129a40f710d671712030646b4.1727332572.git.zhengqi.arch@bytedance.com Signed-off-by: Qi Zheng <[email protected]> Acked-by: David Hildenbrand <[email protected]> Reviewed-by: Muchun Song <[email protected]> Cc: Hugh Dickins <[email protected]> Cc: Matthew Wilcox <[email protected]> Cc: Mike Rapoport (Microsoft) <[email protected]> Cc: Peter Xu <[email protected]> Cc: Ryan Roberts <[email protected]> Cc: Vishal Moola (Oracle) <[email protected]> Signed-off-by: Andrew Morton <[email protected]>
Diffstat (limited to 'arch/powerpc/mm/pgtable.c')
-rw-r--r--arch/powerpc/mm/pgtable.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/mm/pgtable.c b/arch/powerpc/mm/pgtable.c
index 7316396e452d..61df5aed7989 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);