On Thu, Jul 22, 2021 at 11:20:17PM +0800, brookxu wrote: > From: Chunguang Xu <brookxu@xxxxxxxxxxx> > > Since the global open files are limited, in order to avoid the > abnormal behavior of some containers from generating too many > files, causing other containers to be unavailable, we need to > limit the open files of some containers. > > v2: fix compile error while CONFIG_CGROUP_MISC not set. > > Signed-off-by: Chunguang Xu <brookxu@xxxxxxxxxxx> > Reported-by: kernel test robot <lkp@xxxxxxxxx> This is different from pid in that there's no actual limit on how many open files there can be in the system other than the total amount of available memory. I don't see why this would need a separate limit outside of memory control. A couple machines I looked at all have file-max at LONG_MAX by default too. Thanks. -- tejun