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-rw-r--r--mm/huge_memory.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 86975dec0ba1..216114f6ef0b 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1496,6 +1496,13 @@ int do_huge_pmd_numa_page(struct vm_fault *vmf, pmd_t pmd)
}
/*
+ * The page_table_lock above provides a memory barrier
+ * with change_protection_range.
+ */
+ if (mm_tlb_flush_pending(vma->vm_mm))
+ flush_tlb_range(vma, haddr, haddr + HPAGE_PMD_SIZE);
+
+ /*
* Migrate the THP to the requested node, returns with page unlocked
* and access rights restored.
*/