这里为啥是res + res/1024?

[hooting]

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https://github.com/Yu2erer/LuaJIT-5.3.6/blob/369119a005b925213050950d72694226b7512cac/src/YGC.c#L276

https://github.com/Yu2erer/LuaJIT-5.3.6/blob/369119a005b925213050950d72694226b7512cac/src/YGC.c#L249 已经做了单位B到KB的转换，我理解的是：直接返回 lua_pushnumber(L, (lua_Number)res);

[Yu2erer]

笔误，本意是想算的更精确一些，结果这边直接/1024了，应该是 Kbytes + bytes / 1024