--- a/src/hotspot/cpu/aarch64/nativeInst_aarch64.cpp	Wed Nov 22 14:53:20 2017 +0100
+++ b/src/hotspot/cpu/aarch64/nativeInst_aarch64.cpp	Fri Nov 24 17:19:47 2017 +0000
@@ -245,6 +245,11 @@
   // mov(reg, polling_page);
   // ldr(zr, [reg, #offset]);
   //
+  // or
+  //
+  // ldr(reg, [rthread, #offset]);
+  // ldr(zr, [reg, #offset]);
+  //
   // however, we cannot rely on the polling page address load always
   // directly preceding the read from the page. C1 does that but C2
   // has to do the load and read as two independent instruction