ALLOC_VM_AREA(9) Memory Management in Linux ALLOC_VM_AREA(9)NAMEalloc_vm_area - allocate a range of kernel address spaceSYNOPSISstruct vm_struct * alloc_vm_area(size_t size);ARGUMENTSsize size of the areaRETURNSNULL 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.COPYRIGHTKernel Hackers Manual 2.6. July 2010 ALLOC_VM_AREA(9)