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kernel_samsung_sm7125/include/linux/pid_namespace.h

45 lines
962 B

#ifndef _LINUX_PID_NS_H
#define _LINUX_PID_NS_H
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/threads.h>
#include <linux/pid.h>
#include <linux/nsproxy.h>
#include <linux/kref.h>
struct pidmap {
atomic_t nr_free;
void *page;
};
#define PIDMAP_ENTRIES ((PID_MAX_LIMIT + 8*PAGE_SIZE - 1)/PAGE_SIZE/8)
struct pid_namespace {
struct kref kref;
struct pidmap pidmap[PIDMAP_ENTRIES];
int last_pid;
struct task_struct *child_reaper;
};
extern struct pid_namespace init_pid_ns;
static inline void get_pid_ns(struct pid_namespace *ns)
{
kref_get(&ns->kref);
}
extern struct pid_namespace *copy_pid_ns(int flags, struct pid_namespace *ns);
extern void free_pid_ns(struct kref *kref);
static inline void put_pid_ns(struct pid_namespace *ns)
{
kref_put(&ns->kref, free_pid_ns);
}
static inline struct task_struct *child_reaper(struct task_struct *tsk)
{
return init_pid_ns.child_reaper;
}
#endif /* _LINUX_PID_NS_H */