REMAP_VMALLOC_RANGE_(9) Memory Management in Linux REMAP_VMALLOC_RANGE_(9)NAMEremap_vmalloc_range_partial - map vmalloc pages to userspace
SYNOPSIS
int remap_vmalloc_range_partial(struct vm_area_struct * vma,
unsigned long uaddr, void * kaddr,
unsigned long size);
ARGUMENTS
vma
vma to cover
uaddr
target user address to start at
kaddr
virtual address of vmalloc kernel memory
size
size of map area
RETURNS
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)
COPYRIGHTKernel Hackers Manual 3.11 November 2013 REMAP_VMALLOC_RANGE_(9)