clarification suggested by rob
R=r
DELTA=4 (4 added, 0 deleted, 0 changed)
OCL=26983
CL=27041
diff --git a/src/runtime/proc.c b/src/runtime/proc.c
index f7a4478..f35641c 100644
--- a/src/runtime/proc.c
+++ b/src/runtime/proc.c
@@ -546,6 +546,10 @@
* don't bother with the check and always call morestack.
* the sequences are:
*
+ * guard = g->stackguard
+ * frame = function's stack frame size
+ * argsize = size of function arguments (call + return)
+ *
* stack frame size <= StackSmall:
* CMPQ guard, SP
* JHI 3(PC)
