runtime: remove out of date comment

Change-Id: I0ad1a81a235c7c067fea2093bbeac4e06a233c10
Reviewed-on: https://go-review.googlesource.com/7661
Reviewed-by: Rick Hudson <rlh@golang.org>

diff --git a/src/runtime/mgcmark.go b/src/runtime/mgcmark.go
index 4a3cc4d769f06561dd4f14af903a2f27d4e7ce03..1be69fe0629b5d14ceba3ae1de2782d52027f680 100644 (file)
--- a/src/runtime/mgcmark.go
+++ b/src/runtime/mgcmark.go
@@ -178,7 +178,6 @@ func gchelpwork() {
                // hanging off the P where this is being run.
                // scanstack(gp)
        case _GCmark:
-               // Get a full work buffer and empty it.
                // drain your own currentwbuf first in the hopes that it will
                // be more cache friendly.
                var gcw gcWork