Messages in this thread | | | From | Shakeel Butt <> | Date | Mon, 26 Jul 2021 23:44:40 -0700 | Subject | Re: [PATCH v7 01/10] memcg: enable accounting for mnt_cache entries |
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On Mon, Jul 26, 2021 at 10:33 PM Vasily Averin <vvs@virtuozzo.com> 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@virtuozzo.com>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
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