vm_unmapped_area_info 1874 include/linux/mm.h extern unsigned long unmapped_area(struct vm_unmapped_area_info *info);
vm_unmapped_area_info 1875 include/linux/mm.h extern unsigned long unmapped_area_topdown(struct vm_unmapped_area_info *info);
vm_unmapped_area_info 1887 include/linux/mm.h vm_unmapped_area(struct vm_unmapped_area_info *info)