---

yaml --- r: 263826 b: refs/heads/master c: 461ae48 h: refs/heads/master v: v3
git-mirror · Sep 15, 2011 · d102708 · d102708
1 parent 0747de5
commit d102708
Show file tree

Hide file tree

Showing 2 changed files with 9 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 185efc0f9a1f2d6ad6d4782c5d9e529f3290567f
+refs/heads/master: 461ae488ecb125b140d7ea29ceeedbcce9327003
diff --git a/trunk/mm/vmalloc.c b/trunk/mm/vmalloc.c
@@ -2140,6 +2140,14 @@ struct vm_struct *alloc_vm_area(size_t size)
 		return NULL;
 	}
 
+	/*
+	 * If the allocated address space is passed to a hypercall
+	 * before being used then we cannot rely on a page fault to
+	 * trigger an update of the page tables.  So sync all the page
+	 * tables here.
+	 */
+	vmalloc_sync_all();
+
 	return area;
 }
 EXPORT_SYMBOL_GPL(alloc_vm_area);