take cgroup_open() and cpuset_open() to fs/proc/base.c
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/proc/base.c b/fs/proc/base.c
index f2637c9..8281986 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -404,6 +404,37 @@
#endif
+#ifdef CONFIG_CGROUPS
+static int cgroup_open(struct inode *inode, struct file *file)
+{
+ struct pid *pid = PROC_I(inode)->pid;
+ return single_open(file, proc_cgroup_show, pid);
+}
+
+static const struct file_operations proc_cgroup_operations = {
+ .open = cgroup_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+#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 task_struct *task, char *buffer)
{
unsigned long totalpages = totalram_pages + total_swap_pages;
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 900af59..68f2157 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -42,7 +42,7 @@
extern int cgroup_load_subsys(struct cgroup_subsys *ss);
extern void cgroup_unload_subsys(struct cgroup_subsys *ss);
-extern const struct file_operations proc_cgroup_operations;
+extern int proc_cgroup_show(struct seq_file *, void *);
/* Define the enumeration of all builtin cgroup subsystems */
#define SUBSYS(_x) _x ## _subsys_id,
diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h
index 8c8a60d..22b637c 100644
--- a/include/linux/cpuset.h
+++ b/include/linux/cpuset.h
@@ -64,10 +64,9 @@
extern int cpuset_memory_pressure_enabled;
extern void __cpuset_memory_pressure_bump(void);
-extern const struct file_operations proc_cpuset_operations;
-struct seq_file;
extern void cpuset_task_status_allowed(struct seq_file *m,
struct task_struct *task);
+extern int proc_cpuset_show(struct seq_file *, void *);
extern int cpuset_mem_spread_node(void);
extern int cpuset_slab_spread_node(void);
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index a32f943..d5cffe8 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -4769,7 +4769,7 @@
*/
/* TODO: Use a proper seq_file iterator */
-static int proc_cgroup_show(struct seq_file *m, void *v)
+int proc_cgroup_show(struct seq_file *m, void *v)
{
struct pid *pid;
struct task_struct *tsk;
@@ -4821,19 +4821,6 @@
return retval;
}
-static int cgroup_open(struct inode *inode, struct file *file)
-{
- struct pid *pid = PROC_I(inode)->pid;
- return single_open(file, proc_cgroup_show, pid);
-}
-
-const struct file_operations proc_cgroup_operations = {
- .open = cgroup_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
-
/* Display information about each subsystem and each hierarchy */
static int proc_cgroupstats_show(struct seq_file *m, void *v)
{
diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 4f9dfe4..1b6f615 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -2666,7 +2666,7 @@
* and we take cpuset_mutex, keeping cpuset_attach() from changing it
* anyway.
*/
-static int proc_cpuset_show(struct seq_file *m, void *unused_v)
+int proc_cpuset_show(struct seq_file *m, void *unused_v)
{
struct pid *pid;
struct task_struct *tsk;
@@ -2700,19 +2700,6 @@
out:
return retval;
}
-
-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);
-}
-
-const struct file_operations proc_cpuset_operations = {
- .open = cpuset_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
#endif /* CONFIG_PROC_PID_CPUSET */
/* Display task mems_allowed in /proc/<pid>/status file. */