mm: actually clear pmd_numa before invalidating

Commit 67f8746 ("mm: clear pmd_numa before invalidating") cleared the NUMA bit in a copy of the PMD entry, but then wrote back the original Signed-off-by: Matthew Wilcox <[email protected]> Acked-by: Mel Gorman <[email protected]> Reviewed-by: Rik van Riel <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
Kleist · Aug 29, 2014 · ce8369b · ce8369b
1 parent 0cfb8f0
commit ce8369b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/mm/pgtable-generic.c b/mm/pgtable-generic.c
@@ -195,7 +195,7 @@ void pmdp_invalidate(struct vm_area_struct *vma, unsigned long address,
 	pmd_t entry = *pmdp;
 	if (pmd_numa(entry))
 		entry = pmd_mknonnuma(entry);
-	set_pmd_at(vma->vm_mm, address, pmdp, pmd_mknotpresent(*pmdp));
+	set_pmd_at(vma->vm_mm, address, pmdp, pmd_mknotpresent(entry));
 	flush_tlb_range(vma, address, address + HPAGE_PMD_SIZE);
 }
 #endif /* CONFIG_TRANSPARENT_HUGEPAGE */