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follow_pfn
Langue: en
Version: October 2010 (fedora - 01/12/10)
Section: 9 (Appels noyau Linux)
NAME
follow_pfn - look up PFN at a user virtual addressSYNOPSIS
- int follow_pfn(struct vm_area_struct * vma, unsigned long address, unsigned long * pfn);
ARGUMENTS
vma
- memory mapping
address
- user virtual address
pfn
- location to store found PFN
DESCRIPTION
Only IO mappings and raw PFN mappings are allowed.
Returns zero and the pfn at pfn on success, -ve otherwise.
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Contenus ©2006-2024 Benjamin Poulain
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