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-rw-r--r--src/runtime/mgc0.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/runtime/mgc0.h b/src/runtime/mgc0.h
index 62726b4f0..dd0c46024 100644
--- a/src/runtime/mgc0.h
+++ b/src/runtime/mgc0.h
@@ -12,9 +12,11 @@ enum {
BitsPointer = 2,
BitsMask = 3,
PointersPerByte = 8/BitsPerPointer,
- MaxGCMask = 64,
insData = 1,
insArray,
insArrayEnd,
insEnd,
+
+ // 64 bytes cover objects of size 1024/512 on 64/32 bits, respectively.
+ MaxGCMask = 65536, // TODO(rsc): change back to 64
};