Messages in this thread Patch in this message | | | Date | Wed, 4 Mar 2015 17:09:33 +0800 | From | Zefan Li <> | Subject | [PATCH -next] cpuset: initialize cpuset a bit early |
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Now we call ss->bind() in cgroup_init(), so cgroup_init() will call cpuset_bind() and then the latter will access top_cpuset's cpumask, which is NULL, because cpuset_init() is called after cgroup_init()
The simplest fix is to swap cgroup_init() and cpuset_init().
Cc: Vladimir Davydov <vdavydov@parallels.com> Fixes: 295458e67284 ("cgroup: call cgroup_subsys->bind on cgroup subsys initialization") Reported by: Ming Lei <tom.leiming@gmail.com> Signed-off-by: Zefan Li <lizefan@huawei.com> --- init/main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/init/main.c b/init/main.c index 61b9937..50d1e95 100644 --- a/init/main.c +++ b/init/main.c @@ -667,8 +667,8 @@ asmlinkage __visible void __init start_kernel(void) page_writeback_init(); proc_root_init(); nsfs_init(); - cgroup_init(); cpuset_init(); + cgroup_init(); taskstats_init_early(); delayacct_init(); -- 1.8.0.2
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