From 33b76920ec3bde98e58e0a6cb0816eb7be28bb4e Mon Sep 17 00:00:00 2001
From: Austin Clements <austin@google.com>
Date: Thu, 22 Feb 2018 12:35:30 -0500
Subject: runtime: rename "arena index" to "arena map"

There are too many places where I want to talk about "indexing into
the arena index". Make this less awkward and ambiguous by calling it
the "arena map" instead.

Change-Id: I726b0667bb2139dbc006175a0ec09a871cdf73f9
Reviewed-on: https://go-review.googlesource.com/96777
Run-TryBot: Austin Clements <austin@google.com>
Reviewed-by: Rick Hudson <rlh@golang.org>
---
 src/runtime/mbitmap.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/runtime/mbitmap.go')

diff --git a/src/runtime/mbitmap.go b/src/runtime/mbitmap.go
index 1b17740f49..85d79c685b 100644
--- a/src/runtime/mbitmap.go
+++ b/src/runtime/mbitmap.go
@@ -146,7 +146,7 @@ type heapBits struct {
 }
 
 // Make the compiler check that heapBits.arena is large enough to hold
-// the maximum arena index.
+// the maximum arena frame number.
 var _ = heapBits{arena: (1<<heapAddrBits)/heapArenaBytes - 1}
 
 // markBits provides access to the mark bit for an object in the heap.
-- 
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