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Diffstat (limited to 'include/linux/pid.h')
-rw-r--r--include/linux/pid.h15
1 files changed, 8 insertions, 7 deletions
diff --git a/include/linux/pid.h b/include/linux/pid.h
index 395cacce1179..98837a1ff0f3 100644
--- a/include/linux/pid.h
+++ b/include/linux/pid.h
@@ -45,6 +45,8 @@
* find_pid_ns() using the int nr and struct pid_namespace *ns.
*/
+#define RESERVED_PIDS 300
+
struct upid {
int nr;
struct pid_namespace *ns;
@@ -55,6 +57,9 @@ struct pid
refcount_t count;
unsigned int level;
spinlock_t lock;
+ struct dentry *stashed;
+ u64 ino;
+ struct rb_node pidfs_node;
/* lists of tasks that use this pid */
struct hlist_head tasks[PIDTYPE_MAX];
struct hlist_head inodes;
@@ -64,17 +69,16 @@ struct pid
struct upid numbers[];
};
+extern seqcount_spinlock_t pidmap_lock_seq;
extern struct pid init_struct_pid;
-extern const struct file_operations pidfd_fops;
-
struct file;
-extern struct pid *pidfd_pid(const struct file *file);
+struct pid *pidfd_pid(const struct file *file);
struct pid *pidfd_get_pid(unsigned int fd, unsigned int *flags);
struct task_struct *pidfd_get_task(int pidfd, unsigned int *flags);
-int pidfd_create(struct pid *pid, unsigned int flags);
int pidfd_prepare(struct pid *pid, unsigned int flags, struct file **ret);
+void do_notify_pidfd(struct task_struct *task);
static inline struct pid *get_pid(struct pid *pid)
{
@@ -104,9 +108,6 @@ extern void exchange_tids(struct task_struct *task, struct task_struct *old);
extern void transfer_pid(struct task_struct *old, struct task_struct *new,
enum pid_type);
-extern int pid_max;
-extern int pid_max_min, pid_max_max;
-
/*
* look up a PID in the hash table. Must be called with the tasklist_lock
* or rcu_read_lock() held.