test/sys/kernel/slab/vm_area_struct/alloc_calls

   1    2751 dup_mm+0x194/0x390 age=8335622/8348807/8376522 pid=71-2467 cpus=0-1
   2      52 install_special_mapping+0x3d/0xe0 age=4109/7453125/8378118 pid=1-20296 cpus=0-1
   3    4006 split_vma+0x61/0x140 age=4107/7930710/8366050 pid=1206-20296 cpus=0-1
   4       3 copy_vma+0x125/0x1b0 age=8353805/8353815/8353824 pid=1738 cpus=0
   5      54 do_brk+0x2ec/0x360 age=4107/7486452/8378131 pid=1-20296 cpus=0-1
   6    5097 mmap_region+0x195/0x5c0 age=4105/7877577/8378131 pid=1-20296 cpus=0-1
   7      52 bprm_mm_init+0xa0/0x1b0 age=4109/7453192/8378134 pid=1-20296 cpus=0-1