Name
vm_insert_pfn —
insert single pfn into user vma
Synopsis
int vm_insert_pfn ( | struct vm_area_struct * | vma, |
| | unsigned long | addr, |
| | unsigned long | pfn); |
Arguments
vma
user vma to map to
addr
target user address of this page
pfn
source kernel pfn
Description
Similar to vm_inert_page, this allows drivers to insert individual pages
they've allocated into a user vma. Same comments apply.
This function should only be called from a vm_ops->fault handler, and
in that case the handler should return NULL.