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-rw-r--r--include/linux/hugetlb.h13
-rw-r--r--mm/hugetlb.c8
2 files changed, 18 insertions, 3 deletions
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 31e665fbcf76..46bfb702e7d6 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -516,6 +516,14 @@ static inline void hugetlb_count_sub(long l, struct mm_struct *mm)
{
atomic_long_sub(l, &mm->hugetlb_usage);
}
+
+#ifndef set_huge_swap_pte_at
+static inline void set_huge_swap_pte_at(struct mm_struct *mm, unsigned long addr,
+ pte_t *ptep, pte_t pte, unsigned long sz)
+{
+ set_huge_pte_at(mm, addr, ptep, pte);
+}
+#endif
#else /* CONFIG_HUGETLB_PAGE */
struct hstate {};
#define alloc_huge_page(v, a, r) NULL
@@ -565,6 +573,11 @@ static inline void hugetlb_report_usage(struct seq_file *f, struct mm_struct *m)
static inline void hugetlb_count_sub(long l, struct mm_struct *mm)
{
}
+
+static inline void set_huge_swap_pte_at(struct mm_struct *mm, unsigned long addr,
+ pte_t *ptep, pte_t pte, unsigned long sz)
+{
+}
#endif /* CONFIG_HUGETLB_PAGE */
static inline spinlock_t *huge_pte_lock(struct hstate *h,
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 3dbe3e257975..51d31352a5bf 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -3276,9 +3276,10 @@ int copy_hugetlb_page_range(struct mm_struct *dst, struct mm_struct *src,
*/
make_migration_entry_read(&swp_entry);
entry = swp_entry_to_pte(swp_entry);
- set_huge_pte_at(src, addr, src_pte, entry);
+ set_huge_swap_pte_at(src, addr, src_pte,
+ entry, sz);
}
- set_huge_pte_at(dst, addr, dst_pte, entry);
+ set_huge_swap_pte_at(dst, addr, dst_pte, entry, sz);
} else {
if (cow) {
huge_ptep_set_wrprotect(src, addr, src_pte);
@@ -4295,7 +4296,8 @@ unsigned long hugetlb_change_protection(struct vm_area_struct *vma,
make_migration_entry_read(&entry);
newpte = swp_entry_to_pte(entry);
- set_huge_pte_at(mm, address, ptep, newpte);
+ set_huge_swap_pte_at(mm, address, ptep,
+ newpte, huge_page_size(h));
pages++;
}
spin_unlock(ptl);