SYNOPSIS
In sys/param.h In vm/vm.h In vm/vm_map.h Ft int Fo vm_map_findspace Fa vm_map_t map vm_offset_t start vm_size_t length vm_offset_t *addr FcDESCRIPTION
The Fn vm_map_findspace function attempts to find a region with sufficient space in the Fa map for an object of size Fa length at the address Fa addr .IMPLEMENTATION NOTES
It is the caller's responsibility to obtain a lock on the Fa map using vm_map_lock9 before calling this function.This routine may call pmap_growkernel9 to grow the kernel's address space, if and only if the mapping is being made within the kernel address space, and if insufficient space remains in the kernel_map