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vm_insert_pfn
Langue: en
Version: June 2009 (debian - 07/07/09)
Section: 9 (Appels noyau Linux)
NAME
vm_insert_pfn - insert single pfn into user vmaSYNOPSIS
- 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.
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