remap_vmalloc_range (9) Linux Manual Page
remap_vmalloc_range – map vmalloc pages to userspace
Synopsis
int remap_vmalloc_range(struct vm_area_struct *vma, void *addr, unsigned long pgoff);Arguments
vma
-
- vma to cover (map full range of vma)
addr
- vmalloc memory
pgoff
- number of pages into addr before first page to map
Return
0 for success, -Exxx on failure
This function checks that addr is a valid vmalloc’ed area, and that it is big enough to cover the vma. Will return failure if that criteria isn’t met.
Similar to remap_pfn_range (see mm/memory.c)