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runtime: remove outdated comment in select sortkey

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This CL removes an outdated comment regarding converting a pointer to `uintptr`.
The comment was introduced in Go 1.4 and runtime GC was under the consideration of major revisions. According to the current situation, Go runtime memory allocator has no fragmentation issue. Therefore compact GC won't be implemented in the near future.

Change-Id: I5c336d81d810cf57b76797f05428421bb39a5b9f
GitHub-Last-Rev: 2ab4be3885
GitHub-Pull-Request: golang/go#33685
Reviewed-on: https://go-review.googlesource.com/c/go/+/190520
Reviewed-by: Keith Randall <khr@golang.org>
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Ou Changkun 2019-08-16 13:50:07 +00:00 committed by Emmanuel Odeke
parent b003afe4fe
commit d6143914e4
1 changed files with 0 additions and 2 deletions
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2
src/runtime/select.go
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@ -493,8 +493,6 @@ sclose:
}
func (c *hchan) sortkey() uintptr {
// TODO(khr): if we have a moving garbage collector, we'll need to
// change this function.
return uintptr(unsafe.Pointer(c))
}