On Mon, Jul 26, 2021 at 10:33 PM Vasily Averin <vvs@xxxxxxxxxxxxx> wrote: > > The kernel allocates ~400 bytes of 'strcut mount' for any new mount. *struct mount* > Creating a new mount namespace clones most of the parent mounts, > and this can be repeated many times. Additionally, each mount allocates > up to PATH_MAX=4096 bytes for mnt->mnt_devname. > > It makes sense to account for these allocations to restrict the host's > memory consumption from inside the memcg-limited container. > > Signed-off-by: Vasily Averin <vvs@xxxxxxxxxxxxx> Reviewed-by: Shakeel Butt <shakeelb@xxxxxxxxxx>
