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Diffstat (limited to 'arch/x86/include/asm/pgtable.h')
-rw-r--r--arch/x86/include/asm/pgtable.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index e4ffa565a69f..690c0307afed 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -1195,7 +1195,7 @@ static inline pmd_t pmdp_establish(struct vm_area_struct *vma,
return xchg(pmdp, pmd);
} else {
pmd_t old = *pmdp;
- *pmdp = pmd;
+ WRITE_ONCE(*pmdp, pmd);
return old;
}
}