On 2021/4/6 15:21, Michal Hocko wrote:
You are changing semantic of the existing user interface. This knob has never been memcg aware and it is supposed to have a global impact. I do not think we can simply change that without some users being surprised or even breaking them.
Yes, do you think add new interface to sysfs is a good way? such as /sys/fs/cgroup/memory/lxc/i-vbe1u8o7/memory.kmem.drop_caches I will rewrite this patch later.
