other versions
- jessie 3.16.56-1+deb8u1
REMAP_PFN_RANGE(9) | Memory Management in Linux | REMAP_PFN_RANGE(9) |
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¶
vmauser 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.COPYRIGHT¶
May 2018 | Kernel Hackers Manual 3.16 |