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remap_pfn_range
Langue: en
Version: June 2009 (debian - 07/07/09)
Section: 9 (Appels noyau Linux)
NAME
remap_pfn_range - remap kernel memory to userspaceSYNOPSIS
- int remap_pfn_range(struct vm_area_struct * vma, unsigned long addr, unsigned long pfn, unsigned long size, pgprot_t prot);
ARGUMENTS
vma
- user vma to map to
addr
- target user address to start at
pfn
- physical address of kernel memory
size
- size of map area
prot
- page protection flags for this mapping
NOTE
this is only safe if the mm semaphore is held when called.
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