1 files changed, 6 insertions, 0 deletions
diff --git a/compiler-rt/lib/tsan/rtl/tsan_platform_linux.cc b/compiler-rt/lib/tsan/rtl/tsan_platform_linux.cc
index 7b8be3dbf23..64ba6a8e0b5 100644
--- a/compiler-rt/lib/tsan/rtl/tsan_platform_linux.cc
+++ b/compiler-rt/lib/tsan/rtl/tsan_platform_linux.cc
@@ -63,6 +63,12 @@ uptr GetShadowMemoryConsumption() {
   return 0;
 }
 
+void FlushShadowMemory() {
+  madvise((void*)kLinuxShadowBeg,
+          kLinuxShadowEnd - kLinuxShadowBeg,
+          MADV_DONTNEED);
+}
+
 static void *my_mmap(void *addr, size_t length, int prot, int flags,
                     int fd, u64 offset) {
   ScopedInRtl in_rtl;