---

yaml --- r: 207194 b: refs/heads/master c: 3edd4fc h: refs/heads/master v: v3
git-mirror · Aug 10, 2010 · b03e630 · b03e630
1 parent 26a143e
commit b03e630
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a1b200e27c0426ea98c1231a2b78c6094eb073e4
+refs/heads/master: 3edd4fc9537d95e460d502987c63a90d6b9a7a82
diff --git a/trunk/mm/hugetlb.c b/trunk/mm/hugetlb.c
@@ -2349,11 +2349,17 @@ static int hugetlb_cow(struct mm_struct *mm, struct vm_area_struct *vma,
 	ptep = huge_pte_offset(mm, address & huge_page_mask(h));
 	if (likely(pte_same(huge_ptep_get(ptep), pte))) {
 		/* Break COW */
+		mmu_notifier_invalidate_range_start(mm,
+			address & huge_page_mask(h),
+			(address & huge_page_mask(h)) + huge_page_size(h));
 		huge_ptep_clear_flush(vma, address, ptep);
 		set_huge_pte_at(mm, address, ptep,
 				make_huge_pte(vma, new_page, 1));
 		/* Make the old page be freed below */
 		new_page = old_page;
+		mmu_notifier_invalidate_range_end(mm,
+			address & huge_page_mask(h),
+			(address & huge_page_mask(h)) + huge_page_size(h));
 	}
 	page_cache_release(new_page);
 	page_cache_release(old_page);