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关于第4章GC部分的一些疑问 #9

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marjune163 opened this issue Aug 22, 2020 · 0 comments
Open

关于第4章GC部分的一些疑问 #9

marjune163 opened this issue Aug 22, 2020 · 0 comments

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@marjune163
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marjune163 commented Aug 22, 2020 •
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  1. GC在标记mspan中被引用的对象后产生的gcmarkBits，会作为新的allocBits，那么是否也应该同时更新allocCount？
  2. GC在三色标记对象引用时，对象的引用应该是指向被分配的地址吧（也就是arena中的page中的某个位置）？但gcmarkBits是在mspan中，Go是如何通过对象地址反向找出对应mspan的？
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