--- a/src/3rdparty/chromium/third_party/WebKit/Source/wtf/PageAllocator.cpp	2016-05-26 15:53:47.000000000 +0200
+++ b/src/3rdparty/chromium/third_party/WebKit/Source/wtf/PageAllocator.cpp	2016-11-19 00:19:49.894527354 +0100
@@ -39,6 +39,11 @@
 
 #include <sys/mman.h>
 
+#if OS(LINUX) && defined(MADV_FREE)
+// glibc 2.24 issues in qtwebengine
+#undef MADV_FREE
+#endif
+
 #ifndef MADV_FREE
 #define MADV_FREE MADV_DONTNEED
 #endif