On Fri, 2013-03-29 at 14:43 +0800, Li Zefan wrote: > cpuacct is the only user of cgroup_subsys.active flag. > > The flag is needed because cpuacct_charge() and > cpuacct_account_field() can > be called when cpuacct hasn't been initialized during system bootup. > > This patch initializes cpuacct earlier, and the result is we don't > have > to check the flag in scheduler hot path. > > Note, this patchset is based on "[PATCH v2 0/7] sched: Split cpuacct" > > http://lkml.org/lkml/2013/3/28/1 > > 0001-cpuacct-allocate-per_cpu-cpuusage-for-root-cpuacct-s.patch > 0002-cpuacct-Initialize-root-cpuacct-earlier.patch > 0003-cpuacct-Initialize-cpuacct-subsystem-earlier.patch > 0004-cpuacct-No-need-to-check-subsys-active-state.patch > 0005-cgroup-Remove-subsys.active-flag.patch Seems sane enough Acked-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
