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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-10-10 07:24:40 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-10-10 07:24:40 -0400 |
| commit | b211e9d7c861bdb37b86d6384da9edfb80949ceb (patch) | |
| tree | dfb209ffce92a2b203a9fd2ddbc23eed5daddacf /kernel/cpuset.c | |
| parent | d9428f09763d307a6d2220c4bbb01d8fc5c55b52 (diff) | |
| parent | e756c7b698604f11a979f2781d06eb7b80aba363 (diff) | |
Merge branch 'for-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup updates from Tejun Heo:
"Nothing too interesting. Just a handful of cleanup patches"
* 'for-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
Revert "cgroup: remove redundant variable in cgroup_mount()"
cgroup: remove redundant variable in cgroup_mount()
cgroup: fix missing unlock in cgroup_release_agent()
cgroup: remove CGRP_RELEASABLE flag
perf/cgroup: Remove perf_put_cgroup()
cgroup: remove redundant check in cgroup_ino()
cpuset: simplify proc_cpuset_show()
cgroup: simplify proc_cgroup_show()
cgroup: use a per-cgroup work for release agent
cgroup: remove bogus comments
cgroup: remove redundant code in cgroup_rmdir()
cgroup: remove some useless forward declarations
cgroup: fix a typo in comment.
Diffstat (limited to 'kernel/cpuset.c')
| -rw-r--r-- | kernel/cpuset.c | 15 |
1 files changed, 3 insertions, 12 deletions
diff --git a/kernel/cpuset.c b/kernel/cpuset.c index 52cb04c993b7..1f107c74087b 100644 --- a/kernel/cpuset.c +++ b/kernel/cpuset.c @@ -2730,10 +2730,9 @@ void __cpuset_memory_pressure_bump(void) * and we take cpuset_mutex, keeping cpuset_attach() from changing it * anyway. */ -int proc_cpuset_show(struct seq_file *m, void *unused_v) +int proc_cpuset_show(struct seq_file *m, struct pid_namespace *ns, + struct pid *pid, struct task_struct *tsk) { - struct pid *pid; - struct task_struct *tsk; char *buf, *p; struct cgroup_subsys_state *css; int retval; @@ -2743,24 +2742,16 @@ int proc_cpuset_show(struct seq_file *m, void *unused_v) if (!buf) goto out; - retval = -ESRCH; - pid = m->private; - tsk = get_pid_task(pid, PIDTYPE_PID); - if (!tsk) - goto out_free; - retval = -ENAMETOOLONG; rcu_read_lock(); css = task_css(tsk, cpuset_cgrp_id); p = cgroup_path(css->cgroup, buf, PATH_MAX); rcu_read_unlock(); if (!p) - goto out_put_task; + goto out_free; seq_puts(m, p); seq_putc(m, '\n'); retval = 0; -out_put_task: - put_task_struct(tsk); out_free: kfree(buf); out: |