centos man page for relay_mmap_buf

RELAY_MMAP_BUF(9)					      relay interface support						 RELAY_MMAP_BUF(9)

NAME
       relay_mmap_buf - mmap channel buffer to process address space

SYNOPSIS
       int relay_mmap_buf(struct rchan_buf * buf, struct vm_area_struct * vma);

ARGUMENTS
       buf
	   relay channel buffer

       vma
	   vm_area_struct describing memory to be mapped

DESCRIPTION
       Returns 0 if ok, negative on error

       Caller should already have grabbed mmap_sem.

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Kernel Hackers Manual 3.10					     June 2014							 RELAY_MMAP_BUF(9)