relay_mmap_buf (9) Linux Manual Page
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.