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Improve cgroup printks
When I boot with the 'quiet' parameter, I see on the screen: [ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 39.036026] Initializing cgroup subsys cpuacct [ 39.036080] Initializing cgroup subsys debug [ 39.036118] Initializing cgroup subsys ns This patch lowers the priority of those messages, adds a "cgroup: " prefix to another couple of printks and kills the useless reference to the source file. Signed-off-by: Diego Calleja <diegocg@gmail.com> Cc: Paul Menage <menage@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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1 changed files with 4 additions and 5 deletions
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@ -1,6 +1,4 @@
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/*
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/*
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* kernel/cgroup.c
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*
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* Generic process-grouping system.
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* Generic process-grouping system.
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*
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*
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* Based originally on the cpuset system, extracted by Paul Menage
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* Based originally on the cpuset system, extracted by Paul Menage
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@ -2200,7 +2198,8 @@ static void cgroup_init_subsys(struct cgroup_subsys *ss)
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{
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{
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struct cgroup_subsys_state *css;
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struct cgroup_subsys_state *css;
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struct list_head *l;
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struct list_head *l;
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printk(KERN_ERR "Initializing cgroup subsys %s\n", ss->name);
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printk(KERN_INFO "Initializing cgroup subsys %s\n", ss->name);
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/* Create the top cgroup state for this subsystem */
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/* Create the top cgroup state for this subsystem */
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ss->root = &rootnode;
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ss->root = &rootnode;
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@ -2273,7 +2272,7 @@ int __init cgroup_init_early(void)
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BUG_ON(!ss->create);
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BUG_ON(!ss->create);
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BUG_ON(!ss->destroy);
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BUG_ON(!ss->destroy);
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if (ss->subsys_id != i) {
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if (ss->subsys_id != i) {
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printk(KERN_ERR "Subsys %s id == %d\n",
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printk(KERN_ERR "cgroup: Subsys %s id == %d\n",
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ss->name, ss->subsys_id);
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ss->name, ss->subsys_id);
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BUG();
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BUG();
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}
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}
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@ -2605,7 +2604,7 @@ int cgroup_clone(struct task_struct *tsk, struct cgroup_subsys *subsys)
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dentry = lookup_one_len(nodename, parent->dentry, strlen(nodename));
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dentry = lookup_one_len(nodename, parent->dentry, strlen(nodename));
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if (IS_ERR(dentry)) {
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if (IS_ERR(dentry)) {
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printk(KERN_INFO
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printk(KERN_INFO
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"Couldn't allocate dentry for %s: %ld\n", nodename,
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"cgroup: Couldn't allocate dentry for %s: %ld\n", nodename,
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PTR_ERR(dentry));
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PTR_ERR(dentry));
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ret = PTR_ERR(dentry);
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ret = PTR_ERR(dentry);
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goto out_release;
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goto out_release;
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