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REMAP_VMALLOC_RANGE_(9) | Memory Management in Linux | REMAP_VMALLOC_RANGE_(9) |
NAME¶
remap_vmalloc_range_partial - map vmalloc pages to userspaceSYNOPSIS¶
int
remap_vmalloc_range_partial(struct vm_area_struct * vma,
unsigned long uaddr,
void * kaddr,
unsigned long size);
ARGUMENTS¶
vmavma to cover
uaddr
target user address to start at
kaddr
virtual address of vmalloc kernel memory
size
size of map area
RETURN¶
0 for success, -Exxx on failure This function checks that kaddr is a valid vmalloc'ed area, and that it is big enough to cover the range starting at uaddr in vma. Will return failure if that criteria isn't met. Similar to remap_pfn_range (see mm/memory.c)COPYRIGHT¶
January 2017 | Kernel Hackers Manual 4.8. |