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内核态和用户态 #193

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bringtree opened this issue Feb 8, 2021 · 0 comments
Open

内核态和用户态 #193

bringtree opened this issue Feb 8, 2021 · 0 comments

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@bringtree
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https://www.cnblogs.com/sparkdev/p/8410350.html
内核空间 和 用户空间：
image

image

IO读写 先到内核空间再到用户空间。 各个空间都有自己的缓冲区，堆和栈空间。
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@bringtree