---

yaml --- r: 75662 b: refs/heads/master c: c5c9942 h: refs/heads/master v: v3
git-mirror · Jan 24, 2008 · a5be8ca · a5be8ca
1 parent 83a52f4
commit a5be8ca
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Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c2f3dabefa73fe3307578553f456e93f0a1bca08
+refs/heads/master: c5c99429fa57dcf6e05203ebe3676db1ec646793
diff --git a/trunk/mm/hugetlb.c b/trunk/mm/hugetlb.c
@@ -699,6 +699,11 @@ int copy_hugetlb_page_range(struct mm_struct *dst, struct mm_struct *src,
 		dst_pte = huge_pte_alloc(dst, addr);
 		if (!dst_pte)
 			goto nomem;
+
+		/* If the pagetables are shared don't copy or take references */
+		if (dst_pte == src_pte)
+			continue;
+
 		spin_lock(&dst->page_table_lock);
 		spin_lock(&src->page_table_lock);
 		if (!pte_none(*src_pte)) {