On Fri, 14 Nov 2008 11:52:41 +0800 Li Zefan <lizf@xxxxxxxxxxxxxx> wrote: > CC: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> > CC: Balbir Singh <balbir@xxxxxxxxxxxxxxxxxx> > > Andrew Morton wrote: > > (cc containers@xxxxxxxxxxxxxx) > > > > On Thu, 13 Nov 2008 17:42:01 +0100 Jan Blunck <jblunck@xxxxxxx> wrote: > > > >> When increasing NR_CPUS to 4096 the size of struct mem_cgroup is growing to > >> 507904 bytes per instance on x86_64. This patch changes the allocation of > >> struct mem_cgroup_stat_cpu to be based on the number of configured CPUs during > >> boot time. The init_mem_cgroup still is that huge since it stays statically > >> allocated and therefore uses the compile-time maximum. > >> > > I think you can just remove init_mem_cgroup, because memcg doesn't require > early initialization (when kmalloc is not avaiable), and I found init_mem_cgroup > is not treated specially after greping 'init_mem_cgroup' in the code. > yes. but if you want to make changes minimum, just leave init_mem_cgroup.cpustat=NULL and initialize it later. maybe not so difficult. Thanks, -Kame _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/containers
