VDSO是什么?

The vsyscall and vDSO segments are two mechanisms used to accelerate certain system calls in Linux. 

http://stackoverflow.com/questions/19938324/what-are-vdso-and-vsyscall


http://man7.org/linux/man-pages/man7/vdso.7.html

On vsyscalls and the vDSO

http://lwn.net/Articles/446528/


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