1 files changed, 7 insertions, 1 deletions
diff --git a/lib/tsan/rtl/tsan_defs.h b/lib/tsan/rtl/tsan_defs.h
index 6d8e9cfc3..3a530041d 100644
--- a/lib/tsan/rtl/tsan_defs.h
+++ b/lib/tsan/rtl/tsan_defs.h
@@ -128,11 +128,17 @@ T max(T a, T b) {
 }
 
 template<typename T>
-T RoundUp(T p, int align) {
+T RoundUp(T p, u64 align) {
   DCHECK_EQ(align & (align - 1), 0);
   return (T)(((u64)p + align - 1) & ~(align - 1));
 }
 
+template<typename T>
+T RoundDown(T p, u64 align) {
+  DCHECK_EQ(align & (align - 1), 0);
+  return (T)((u64)p & ~(align - 1));
+}
+
 struct MD5Hash {
   u64 hash[2];
   bool operator==(const MD5Hash &other) const;