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-rw-r--r--include/linux/hugetlb.h4
-rw-r--r--include/linux/mm_inline.h2
-rw-r--r--include/linux/pgtable.h6
3 files changed, 8 insertions, 4 deletions
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 21f942025fec..beb7c63d2871 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -1185,7 +1185,11 @@ static inline void hugetlb_count_sub(long l, struct mm_struct *mm)
static inline pte_t huge_ptep_clear_flush(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep)
{
+#ifdef CONFIG_MMU
+ return ptep_get(ptep);
+#else
return *ptep;
+#endif
}
static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h
index 0e1d239a882c..08c2bcefcb2b 100644
--- a/include/linux/mm_inline.h
+++ b/include/linux/mm_inline.h
@@ -555,7 +555,7 @@ pte_install_uffd_wp_if_needed(struct vm_area_struct *vma, unsigned long addr,
bool arm_uffd_pte = false;
/* The current status of the pte should be "cleared" before calling */
- WARN_ON_ONCE(!pte_none(*pte));
+ WARN_ON_ONCE(!pte_none(ptep_get(pte)));
/*
* NOTE: userfaultfd_wp_unpopulated() doesn't need this whole
diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h
index fc06f6419661..5063b482e34f 100644
--- a/include/linux/pgtable.h
+++ b/include/linux/pgtable.h
@@ -231,7 +231,7 @@ static inline int ptep_test_and_clear_young(struct vm_area_struct *vma,
unsigned long address,
pte_t *ptep)
{
- pte_t pte = *ptep;
+ pte_t pte = ptep_get(ptep);
int r = 1;
if (!pte_young(pte))
r = 0;
@@ -318,7 +318,7 @@ static inline pte_t ptep_get_and_clear(struct mm_struct *mm,
unsigned long address,
pte_t *ptep)
{
- pte_t pte = *ptep;
+ pte_t pte = ptep_get(ptep);
pte_clear(mm, address, ptep);
page_table_check_pte_clear(mm, address, pte);
return pte;
@@ -519,7 +519,7 @@ extern pud_t pudp_huge_clear_flush(struct vm_area_struct *vma,
struct mm_struct;
static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long address, pte_t *ptep)
{
- pte_t old_pte = *ptep;
+ pte_t old_pte = ptep_get(ptep);
set_pte_at(mm, address, ptep, pte_wrprotect(old_pte));
}
#endif