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-rw-r--r--src/runtime/malloc.go3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/runtime/malloc.go b/src/runtime/malloc.go
index 5f1e2f64c0..fe13b8b9a3 100644
--- a/src/runtime/malloc.go
+++ b/src/runtime/malloc.go
@@ -97,6 +97,9 @@ const (
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
mSpanInUse = _MSpanInUse