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-rw-r--r--include/linux/pid.h1
-rw-r--r--include/linux/pid_namespace.h4
2 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/pid.h b/include/linux/pid.h
index b152d44fb18..2381c973d89 100644
--- a/include/linux/pid.h
+++ b/include/linux/pid.h
@@ -121,6 +121,7 @@ int next_pidmap(struct pid_namespace *pid_ns, unsigned int last);
extern struct pid *alloc_pid(struct pid_namespace *ns);
extern void free_pid(struct pid *pid);
+extern void disable_pid_allocation(struct pid_namespace *ns);
/*
* ns_of_pid() returns the pid namespace in which the specified pid was
diff --git a/include/linux/pid_namespace.h b/include/linux/pid_namespace.h
index bf285999273..215e5e3dda1 100644
--- a/include/linux/pid_namespace.h
+++ b/include/linux/pid_namespace.h
@@ -21,7 +21,7 @@ struct pid_namespace {
struct kref kref;
struct pidmap pidmap[PIDMAP_ENTRIES];
int last_pid;
- int nr_hashed;
+ unsigned int nr_hashed;
struct task_struct *child_reaper;
struct kmem_cache *pid_cachep;
unsigned int level;
@@ -42,6 +42,8 @@ struct pid_namespace {
extern struct pid_namespace init_pid_ns;
+#define PIDNS_HASH_ADDING (1U << 31)
+
#ifdef CONFIG_PID_NS
static inline struct pid_namespace *get_pid_ns(struct pid_namespace *ns)
{