diff options
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. |