| REMAP_VMALLOC_RANGE_(9) | Memory Management in Linux | REMAP_VMALLOC_RANGE_(9) |
NAME¶
remap_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)
COPYRIGHT¶
| May 2024 | Kernel Hackers Manual 2.6. |