Am Thu, 11 May 2017 10:26:33 +0200 schrieb Umut Tezduyar Lindskog <u...@tezduyar.com>:
> Hello, > > Even though this is not a systemd problem, I believe systemd mailing > list is a good place to discuss. > > Our kernel has CONFIG_MEMCG enabled. As soon as we set > DefaultMemoryAccounting=yes, our system wide memory usage increased 11 > MB. The increase is mostly on kmalloc-* slab memory with the peak on > kmalloc-32. > > I initially thought the increase is due to systemd creating > system.slice under /sys/fs/cgroup/memory but I think I am wrong. I > have run "systemd-run -p MemoryLimit=10M /bin/sleep 5" command while > DefaultMemoryAccounting=no and there was no significant memory usage. > > I am quite puzzled about where this extra cost is coming from. Does > anybody have any idea? I think this is documented in the kernel as far as I know: Memory accounting needs some extra memory. For swap accounting, it is even more. If you look at the kernel documentation: Does this explain your issue? -- Regards, Kai Replies to list-only preferred. _______________________________________________ systemd-devel mailing list systemd-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/systemd-devel