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| author | Zefan Li <lizefan@huawei.com> | 2014-09-18 16:03:36 +0800 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2014-09-18 13:27:23 -0400 |
| commit | 52de4779f201758ddcf37360f09a16895756e708 (patch) | |
| tree | 4817eb47aebdd04ecaa03956f69d7f5a60291a57 /fs/proc/base.c | |
| parent | 006f4ac49742b5f70ef7e39176fd42a500144ccc (diff) | |
| download | op-kernel-dev-52de4779f201758ddcf37360f09a16895756e708.zip op-kernel-dev-52de4779f201758ddcf37360f09a16895756e708.tar.gz | |
cpuset: simplify proc_cpuset_show()
Use the ONE macro instead of REG, and we can simplify proc_cpuset_show().
Signed-off-by: Zefan Li <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'fs/proc/base.c')
| -rw-r--r-- | fs/proc/base.c | 20 |
1 files changed, 2 insertions, 18 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c index 6b96892..4e8aa35 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -376,22 +376,6 @@ static const struct file_operations proc_lstats_operations = { #endif -#ifdef CONFIG_PROC_PID_CPUSET - -static int cpuset_open(struct inode *inode, struct file *file) -{ - struct pid *pid = PROC_I(inode)->pid; - return single_open(file, proc_cpuset_show, pid); -} - -static const struct file_operations proc_cpuset_operations = { - .open = cpuset_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; -#endif - static int proc_oom_score(struct seq_file *m, struct pid_namespace *ns, struct pid *pid, struct task_struct *task) { @@ -2558,7 +2542,7 @@ static const struct pid_entry tgid_base_stuff[] = { REG("latency", S_IRUGO, proc_lstats_operations), #endif #ifdef CONFIG_PROC_PID_CPUSET - REG("cpuset", S_IRUGO, proc_cpuset_operations), + ONE("cpuset", S_IRUGO, proc_cpuset_show), #endif #ifdef CONFIG_CGROUPS ONE("cgroup", S_IRUGO, proc_cgroup_show), @@ -2904,7 +2888,7 @@ static const struct pid_entry tid_base_stuff[] = { REG("latency", S_IRUGO, proc_lstats_operations), #endif #ifdef CONFIG_PROC_PID_CPUSET - REG("cpuset", S_IRUGO, proc_cpuset_operations), + ONE("cpuset", S_IRUGO, proc_cpuset_show), #endif #ifdef CONFIG_CGROUPS ONE("cgroup", S_IRUGO, proc_cgroup_show), |
