---

yaml --- r: 19806 b: refs/heads/master c: 64b4a95 h: refs/heads/master v: v3
git-mirror · Feb 5, 2006 · d46bef6 · d46bef6
1 parent c6b2e10
commit d46bef6
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Showing 2 changed files with 10 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: fe1dcbc4f311c2e6c23b33c0fa8572461618ab3e
+refs/heads/master: 64b4a954b03a1153fb8ae38d6ffbd991e01a1e80
diff --git a/trunk/mm/hugetlb.c b/trunk/mm/hugetlb.c
@@ -444,6 +444,15 @@ int hugetlb_no_page(struct mm_struct *mm, struct vm_area_struct *vma,
 		page = alloc_huge_page(vma, address);
 		if (!page) {
 			hugetlb_put_quota(mapping);
+			/*
+		 	 * No huge pages available. So this is an OOM
+			 * condition but we do not want to trigger the OOM
+			 * killer, so we return VM_FAULT_SIGBUS.
+			 *
+			 * A program using hugepages may fault with Bus Error
+			 * because no huge pages are available in the cpuset, per
+			 * memory policy or because all are in use!
+			 */
 			goto out;
 		}