diff options
| author | Tony Lindgren <tony@atomide.com> | 2017-11-28 07:06:34 -0800 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2017-11-28 07:06:34 -0800 |
| commit | 2db57789e6612ce0cf2fcbb577a1c8307b708566 (patch) | |
| tree | dd9f9e3dffabbf5cb932fcf5055ab329ca940fa0 /include/linux/pid_namespace.h | |
| parent | f0c96c6d40312b1a76cd36709dc3eb5948c1b97f (diff) | |
| parent | e9a9bb4e4779ca74cb52a6e2f8acbc0881d3bb18 (diff) | |
Merge branch 'soc-fixes' into omap-for-v4.15/fixes
Diffstat (limited to 'include/linux/pid_namespace.h')
| -rw-r--r-- | include/linux/pid_namespace.h | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/include/linux/pid_namespace.h b/include/linux/pid_namespace.h index b09136f88cf4..49538b172483 100644 --- a/include/linux/pid_namespace.h +++ b/include/linux/pid_namespace.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_PID_NS_H #define _LINUX_PID_NS_H @@ -9,15 +10,8 @@ #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; @@ -29,10 +23,9 @@ enum { /* definitions for pid_namespace's hide_pid field */ 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; @@ -56,7 +49,7 @@ struct pid_namespace { 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) @@ -105,6 +98,6 @@ static inline int reboot_pid_ns(struct pid_namespace *pid_ns, int cmd) 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 */ |