aboutsummaryrefslogtreecommitdiff
path: root/src/runtime/malloc.go
diff options
context:
space:
mode:
Diffstat (limited to 'src/runtime/malloc.go')
-rw-r--r--src/runtime/malloc.go8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/runtime/malloc.go b/src/runtime/malloc.go
index c22c7aa7dc..f2cb6085bc 100644
--- a/src/runtime/malloc.go
+++ b/src/runtime/malloc.go
@@ -324,6 +324,14 @@ const (
// mallocinit.
var physPageSize uintptr
+// physHugePageSize is the size in bytes of the OS's default physical huge
+// page size whose allocation is opaque to the application.
+//
+// If set, this must be set by the OS init code (typically in osinit) before
+// mallocinit. However, setting it at all is optional, and leaving the default
+// value is always safe (though potentially less efficient).
+var physHugePageSize uintptr
+
// OS-defined helpers:
//
// sysAlloc obtains a large chunk of zeroed memory from the