remove redundant OR in mmap flags (pr #675)
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@@ -771,7 +771,7 @@ We maintain a global list of abandoned segments that are
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reclaimed on demand. Since this is shared among threads
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the implementation needs to avoid the A-B-A problem on
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popping abandoned segments: <https://en.wikipedia.org/wiki/ABA_problem>
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We use tagged pointers to avoid accidentially identifying
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We use tagged pointers to avoid accidentally identifying
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reused segments, much like stamped references in Java.
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Secondly, we maintain a reader counter to avoid resetting
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or decommitting segments that have a pending read operation.
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