ALLOC_VM_AREA(9) Memory Management in Linux ALLOC_VM_AREA(9)
NAME
alloc_vm_area - allocate a range of kernel address space
SYNOPSIS
struct vm_struct * alloc_vm_area(size_t size);
ARGUMENTS
size
size of the area
RETURNS
NULL on failure, vm_struct on success
This function reserves a range of kernel address space, and allocates pagetables to map that range. No actual mappings are created. If the
kernel address space is not shared between processes, it syncs the pagetable across all processes.
COPYRIGHT
Kernel Hackers Manual 2.6. July 2010 ALLOC_VM_AREA(9)