runtime: remove useless constant definition in malloc.go

Change-Id: I060c867d89a06b5a44fbe77804c19299385802d9
Reviewed-on: https://go-review.googlesource.com/c/go/+/311250
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>

diff --git a/src/runtime/malloc.go b/src/runtime/malloc.go
index 14bf9a583f4b143015a7bc852eefc79a869217d7..eb24fdb0e8f57b2c897112fa4293a17b538424f1 100644 (file)
--- a/src/runtime/malloc.go
+++ b/src/runtime/malloc.go
@@ -110,18 +110,12 @@ import (
 )
 
 const (
-       debugMalloc = false
-
        maxTinySize   = _TinySize
        tinySizeClass = _TinySizeClass
        maxSmallSize  = _MaxSmallSize
 
        pageShift = _PageShift
        pageSize  = _PageSize
-       pageMask  = _PageMask
-       // By construction, single page spans of the smallest object class
-       // have the most objects per span.
-       maxObjsPerSpan = pageSize / 8
 
        concurrentSweep = _ConcurrentSweep