Messages in this thread Patch in this message | | | Date | Wed, 10 Apr 2013 06:47:19 -0700 | From | tip-bot for Li Zefan <> | Subject | [tip:sched/core] sched/cpuacct: Initialize cpuacct subsystem earlier |
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Commit-ID: 621e2de02403a6f776852c564b79c38bf3cc9032 Gitweb: http://git.kernel.org/tip/621e2de02403a6f776852c564b79c38bf3cc9032 Author: Li Zefan <lizefan@huawei.com> AuthorDate: Fri, 29 Mar 2013 14:44:15 +0800 Committer: Ingo Molnar <mingo@kernel.org> CommitDate: Wed, 10 Apr 2013 13:54:21 +0200
sched/cpuacct: Initialize cpuacct subsystem earlier
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@huawei.com> Cc: Tejun Heo <tj@kernel.org> Acked-by: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/5155383F.8000005@huawei.com Signed-off-by: Ingo Molnar <mingo@kernel.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, };
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