what is mean by linear socket buffers?

[linux lover <linux_lover2004@xxxxxxxxx>]

Hello,
         On Internet i found one document that states
following statement "Linux chooses to use linear
buffers and save space in advance because linear
buffers make many other things much faster."

I want to know what is linear buffers? are they
different than what we declare in normal C programming
syntax unsigned char *str.

regards,
linux_lover.


		
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