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Merge pull request #769 from SmallPond/concepts-linux-cpu-2-cpumask-fix
Update Concepts/Linux-cpu-2.md cpumask
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@ -59,7 +59,7 @@ where `BITS_TO_LONGS`:
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As we are focusing on the `x86_64` architecture, `unsigned long` is 8-bytes size and our array will contain only one element:
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```
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(((8) + (8) - 1) / (8)) = 1
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(((8) + (64) - 1) / (64)) = 1
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```
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`NR_CPUS` macro represents the number of CPUs in the system and depends on the `CONFIG_NR_CPUS` macro which is defined in [include/linux/threads.h](https://github.com/torvalds/linux/blob/16f73eb02d7e1765ccab3d2018e0bd98eb93d973/include/linux/threads.h) and looks like this:
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@ -132,3 +132,4 @@ Thank you to all contributors:
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* [Zhouyi Zhou](https://github.com/zhouzhouyi-hub)
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* [Mingzhe Yang](https://github.com/Mutated1994)
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* [Yuxin Wu](https://github.com/chaffz)
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* [Biao Ding](https://github.com/SmallPond)
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