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runtime: clarify work.bytesMarked documentation

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Change-Id: If5132400aac0ef00e467958beeaab5e64d053d10
Reviewed-on: https://go-review.googlesource.com/c/go/+/619099
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Austin Clements <austin@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
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Austin Clements 2024-10-10 14:20:45 -04:00 committed by Gopher Robot
parent c39bc22c14
commit 89f29a772a
1 changed files with 6 additions and 5 deletions
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11
src/runtime/mgc.go
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@ -334,11 +334,12 @@ type workType struct {
// bytesMarked is the number of bytes marked this cycle. This // bytesMarked is the number of bytes marked this cycle. This
// includes bytes blackened in scanned objects, noscan objects // includes bytes blackened in scanned objects, noscan objects
// that go straight to black, and permagrey objects scanned by // that go straight to black, objects allocated as black during
// markroot during the concurrent scan phase. This is updated // the cycle, and permagrey objects scanned by markroot during
// atomically during the cycle. Updates may be batched // the concurrent scan phase.
// arbitrarily, since the value is only read at the end of the //
// cycle. // This is updated atomically during the cycle. Updates may be batched
// arbitrarily, since the value is only read at the end of the cycle.
// //
// Because of benign races during marking, this number may not // Because of benign races during marking, this number may not
// be the exact number of marked bytes, but it should be very // be the exact number of marked bytes, but it should be very