From mathcomp.ssreflect Require Import ssreflect ssrbool ssrnat ssrfun eqtype seq fintype finfun.
Set Implicit Arguments.
Definition bnd_from_init m := bounded_maps.bounded_map (snd (getMaxPerm m)) /\ (Mem.mem_access m).1 = fun z k => None.

Lemma mem_free_bounded_init:
forall m lo hi m' b,
bnd_from_init m ->
Mem.free m b lo hi = Some m' ->
bnd_from_init m'.