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.