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| author | Michael Anthony Knyszek <mknyszek@google.com> | 2020-02-19 19:45:57 +0000 |
|---|---|---|
| committer | Michael Knyszek <mknyszek@google.com> | 2020-08-17 20:06:41 +0000 |
| commit | 260dff3ca3b06385dc298523791a2079162f546e (patch) | |
| tree | 971b6f5ba2829e88c126f027bb35814459762d73 /src/runtime/mheap.go | |
| parent | e30fbe3757d09a22988835835c41233df7c6cd00 (diff) | |
| download | go-260dff3ca3b06385dc298523791a2079162f546e.tar.gz go-260dff3ca3b06385dc298523791a2079162f546e.zip | |
runtime: clean up old markrootSpans
This change removes the old markrootSpans implementation and deletes the
feature flag.
Updates #37487.
Change-Id: Idb5a2559abcc3be5a7da6f2ccce1a86e1d7634e3
Reviewed-on: https://go-review.googlesource.com/c/go/+/221183
Run-TryBot: Michael Knyszek <mknyszek@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Michael Pratt <mpratt@google.com>
Reviewed-by: Austin Clements <austin@google.com>
Diffstat (limited to 'src/runtime/mheap.go')
| -rw-r--r-- | src/runtime/mheap.go | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/src/runtime/mheap.go b/src/runtime/mheap.go index 6341375160..0807726863 100644 --- a/src/runtime/mheap.go +++ b/src/runtime/mheap.go @@ -52,7 +52,7 @@ const ( // The definition of this flag helps ensure that if there's a problem with // the new markroot spans implementation and it gets turned off, that the new // mcentral implementation also gets turned off so the runtime isn't broken. - go115NewMCentralImpl = true && go115NewMarkrootSpans + go115NewMCentralImpl = true ) // Main malloc heap. @@ -1705,9 +1705,7 @@ func addspecial(p unsafe.Pointer, s *special) bool { s.offset = uint16(offset) s.next = *t *t = s - if go115NewMarkrootSpans { - spanHasSpecials(span) - } + spanHasSpecials(span) unlock(&span.speciallock) releasem(mp) @@ -1748,7 +1746,7 @@ func removespecial(p unsafe.Pointer, kind uint8) *special { } t = &s.next } - if go115NewMarkrootSpans && span.specials == nil { + if span.specials == nil { spanHasNoSpecials(span) } unlock(&span.speciallock) |