#include <linux/nsproxy.h>
#include <linux/kref.h>
#include <linux/ns_common.h>
+#include <linux/idr.h>
-struct pidmap {
- atomic_t nr_free;
- void *page;
-};
-
-#define BITS_PER_PAGE (PAGE_SIZE * 8)
-#define BITS_PER_PAGE_MASK (BITS_PER_PAGE-1)
-#define PIDMAP_ENTRIES ((PID_MAX_LIMIT+BITS_PER_PAGE-1)/BITS_PER_PAGE)
struct fs_pin;
struct pid_namespace {
struct kref kref;
- struct pidmap pidmap[PIDMAP_ENTRIES];
+ struct idr idr;
struct rcu_head rcu;
- int last_pid;
- unsigned int nr_hashed;
+ unsigned int pid_allocated;
struct task_struct *child_reaper;
struct kmem_cache *pid_cachep;
unsigned int level;
extern struct pid_namespace init_pid_ns;
-#define PIDNS_HASH_ADDING (1U << 31)
+#define PIDNS_ADDING (1U << 31)
#ifdef CONFIG_PID_NS
static inline struct pid_namespace *get_pid_ns(struct pid_namespace *ns)
extern struct pid_namespace *task_active_pid_ns(struct task_struct *tsk);
void pidhash_init(void);
-void pidmap_init(void);
+void pid_idr_init(void);
#endif /* _LINUX_PID_NS_H */