From mboxrd@z Thu Jan 1 00:00:00 1970 From: Li Zefan Subject: [PATCH v2 3/5] cpuacct: Initialize cpuacct subsystem earlier Date: Fri, 29 Mar 2013 14:44:15 +0800 Message-ID: <5155383F.8000005@huawei.com> References: <51553813.10004@huawei.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <51553813.10004-hv44wF8Li93QT0dZR+AlfA@public.gmane.org> Sender: cgroups-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="us-ascii" To: Ingo Molnar Cc: Tejun Heo , Peter Zijlstra , LKML , Cgroups Initialize cpuacct before the scheduler is functioning, so when cpuacct_charge() and cpuacct_account_field() are called, task_ca() won't return NULL. Signed-off-by: Li Zefan --- kernel/sched/cpuacct.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/kernel/sched/cpuacct.c b/kernel/sched/cpuacct.c index 0425581..75e46d2 100644 --- a/kernel/sched/cpuacct.c +++ b/kernel/sched/cpuacct.c @@ -292,9 +292,10 @@ void cpuacct_account_field(struct task_struct *p, int index, u64 val) } struct cgroup_subsys cpuacct_subsys = { - .name = "cpuacct", - .css_alloc = cpuacct_css_alloc, - .css_free = cpuacct_css_free, - .subsys_id = cpuacct_subsys_id, - .base_cftypes = files, + .name = "cpuacct", + .css_alloc = cpuacct_css_alloc, + .css_free = cpuacct_css_free, + .subsys_id = cpuacct_subsys_id, + .base_cftypes = files, + .early_init = 1, }; -- 1.8.0.2