diff options
| author | Russ Cox <rsc@golang.org> | 2014-12-05 11:40:41 -0500 |
|---|---|---|
| committer | Russ Cox <rsc@golang.org> | 2014-12-05 11:40:41 -0500 |
| commit | 60e02bbbea5d3bf4a6b06551f09c984285f8139c (patch) | |
| tree | 69e27f09db888f62c2aa9db29ab0c7233c1b286b /src/runtime/mgc1.go | |
| parent | 6d3ba1914e289ed223f7bb69f34604c0e2ae5384 (diff) | |
| parent | e5fc9ffb729e31c4eb0a6518e819e9fc70f14818 (diff) | |
| download | go-60e02bbbea5d3bf4a6b06551f09c984285f8139c.tar.gz | |
[dev.garbage] all: merge dev.cc (81884b89bd88) into dev.garbage
TBR=rlh
CC=golang-codereviews
https://codereview.appspot.com/181100044
Diffstat (limited to 'src/runtime/mgc1.go')
| -rw-r--r-- | src/runtime/mgc1.go | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/runtime/mgc1.go b/src/runtime/mgc1.go index d1aab4554..04a5207e5 100644 --- a/src/runtime/mgc1.go +++ b/src/runtime/mgc1.go @@ -50,12 +50,15 @@ const ( // If you change these, also change scanblock. // scanblock does "if(bits == BitsScalar || bits == BitsDead)" as "if(bits <= BitsScalar)". - _BitsDead = 0 - _BitsScalar = 1 - _BitsPointer = 2 + _BitsDead = 0 + _BitsScalar = 1 // 01 + _BitsPointer = 2 // 10 + _BitsCheckMarkXor = 1 // 10 + _BitsScalarMarked = _BitsScalar ^ _BitsCheckMarkXor // 00 + _BitsPointerMarked = _BitsPointer ^ _BitsCheckMarkXor // 11 // 64 bytes cover objects of size 1024/512 on 64/32 bits, respectively. - _MaxGCMask = 64 + _MaxGCMask = 65536 // TODO(rsc): change back to 64 ) // Bits in per-word bitmap. |