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net/mlx4_en: Resolve dividing by zero in 32-bit system
[cascardo/linux.git]
/
mm
/
huge_memory.c
diff --git
a/mm/huge_memory.c
b/mm/huge_memory.c
index
12b9f1a
..
cdcd25c
100644
(file)
--- a/
mm/huge_memory.c
+++ b/
mm/huge_memory.c
@@
-1620,7
+1620,7
@@
static void __split_huge_pmd_locked(struct vm_area_struct *vma, pmd_t *pmd,
if (soft_dirty)
entry = pte_swp_mksoft_dirty(entry);
} else {
- entry = mk_pte(page + i,
vma->vm_page_prot
);
+ entry = mk_pte(page + i,
READ_ONCE(vma->vm_page_prot)
);
entry = maybe_mkwrite(entry, vma);
if (!write)
entry = pte_wrprotect(entry);