Re: global memory access

[Tommy Reynolds]

Uttered Lan Xue <lanxue@xxxxxxxxxxxx>, spake thus:

> I was wondering how a user-level program can share a writable memory
> buffer with the kernel. The memory can either belongs to the kernel space
> or the user space, but both kernel module and user program should be able
> to access(read, write) it.

$ man 2 mmap

Cheers!
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