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-rw-r--r--arch/powerpc/mm/pgtable_64.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c
index 4fe5f64cc179..6957cc1ca0a7 100644
--- a/arch/powerpc/mm/pgtable_64.c
+++ b/arch/powerpc/mm/pgtable_64.c
@@ -718,7 +718,8 @@ void set_pmd_at(struct mm_struct *mm, unsigned long addr,
pmd_t *pmdp, pmd_t pmd)
{
#ifdef CONFIG_DEBUG_VM
- WARN_ON(pmd_val(*pmdp) & _PAGE_PRESENT);
+ WARN_ON((pmd_val(*pmdp) & (_PAGE_PRESENT | _PAGE_USER)) ==
+ (_PAGE_PRESENT | _PAGE_USER));
assert_spin_locked(&mm->page_table_lock);
WARN_ON(!pmd_trans_huge(pmd));
#endif
@@ -781,7 +782,7 @@ pmd_t pfn_pmd(unsigned long pfn, pgprot_t pgprot)
{
pmd_t pmd;
/*
- * For a valid pte, we would have _PAGE_PRESENT or _PAGE_FILE always
+ * For a valid pte, we would have _PAGE_PRESENT always
* set. We use this to check THP page at pmd level.
* leaf pte for huge page, bottom two bits != 00
*/