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Update Booting/linux-bootstrap-2.md

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hailin cai
2016-02-24 11:53:31 -05:00
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@@ -75,7 +75,7 @@ lgdt gdt
1. Limit[20位]被保存在上述内存结构的0-15和16-19位。根据上述内存结构中`G`位的设置，这20位内存定义的内存长度是不一样的。下面是一些具体的例子：
* 如果`G`= 0, 并且Limit = 0， 那么表示段长度是1 byte
* 如果`G` = 0, 并且Limit = 0， 那么表示段长度是1 byte
* 如果`G` = 1, 并且Limit = 0, 那么表示段长度是4K bytes
* 如果`G` = 0，并且Limit = 0xfffff，那么表示段长度是1M bytes
* 如果`G` = 1，并且Limit = 0xfffff，那么表示段长度是4G bytes