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-rw-r--r--arch/powerpc/mm/pgtable-book3s64.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/mm/pgtable-book3s64.c b/arch/powerpc/mm/pgtable-book3s64.c
index 43e99e1d947b..9f93c9f985c5 100644
--- a/arch/powerpc/mm/pgtable-book3s64.c
+++ b/arch/powerpc/mm/pgtable-book3s64.c
@@ -73,7 +73,8 @@ void set_pmd_at(struct mm_struct *mm, unsigned long addr,
* Make sure hardware valid bit is not set. We don't do
* tlb flush for this update.
*/
- WARN_ON(pte_val(pmd_pte(*pmdp)) & _PAGE_PRESENT);
+
+ WARN_ON(pte_hw_valid(pmd_pte(*pmdp)) && !pte_protnone(pmd_pte(*pmdp)));
assert_spin_locked(pmd_lockptr(mm, pmdp));
WARN_ON(!(pmd_large(pmd) || pmd_devmap(pmd)));
#endif