[PATCH v2 3/5] cpuacct: Initialize cpuacct subsystem earlier

Li Zefan
2013-03-29T06:44:15Z

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 <lizefan-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
---
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