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runtime: remove stale non-atomic access comment

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CL 397014 converted this into an atomic access.

Change-Id: Ib97716cd19ecd7d6bf8601baf0391755a5baf378
Reviewed-on: https://go-review.googlesource.com/c/go/+/534159
Auto-Submit: Michael Pratt <mpratt@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
This commit is contained in:
Michael Pratt 2023-10-11 12:02:28 -04:00 committed by Gopher Robot
parent ee8b8e988c
commit 47a71d1ec9
1 changed files with 0 additions and 4 deletions
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4
src/runtime/mgc.go
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@ -575,10 +575,6 @@ func (t gcTrigger) test() bool {
}
switch t.kind {
case gcTriggerHeap:
// Non-atomic access to gcController.heapLive for performance. If
// we are going to trigger on this, this thread just
// atomically wrote gcController.heapLive anyway and we'll see our
// own write.
trigger, _ := gcController.trigger()
return gcController.heapLive.Load() >= trigger
case gcTriggerTime: