diff options
Diffstat (limited to 'include/linux/sched.h')
| -rw-r--r-- | include/linux/sched.h | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index dc3f297a726d..c8f981f108d4 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -227,7 +227,7 @@ struct mm_struct { unsigned long start_brk, brk, start_stack; unsigned long arg_start, arg_end, env_start, env_end; unsigned long rss, total_vm, locked_vm, shared_vm; - unsigned long exec_vm, stack_vm, reserved_vm, def_flags; + unsigned long exec_vm, stack_vm, reserved_vm, def_flags, nr_ptes; unsigned long saved_auxv[42]; /* for /proc/PID/auxv */ @@ -358,6 +358,11 @@ struct user_struct { unsigned long mq_bytes; /* How many bytes can be allocated to mqueue? */ unsigned long locked_shm; /* How many pages of mlocked shm ? */ +#ifdef CONFIG_KEYS + struct key *uid_keyring; /* UID specific keyring */ + struct key *session_keyring; /* UID's default session keyring */ +#endif + /* Hash table maintenance information */ struct list_head uidhash_list; uid_t uid; @@ -611,6 +616,11 @@ struct task_struct { kernel_cap_t cap_effective, cap_inheritable, cap_permitted; unsigned keep_capabilities:1; struct user_struct *user; +#ifdef CONFIG_KEYS + struct key *session_keyring; /* keyring inherited over fork */ + struct key *process_keyring; /* keyring private to this process (CLONE_THREAD) */ + struct key *thread_keyring; /* keyring private to this thread */ +#endif unsigned short used_math; char comm[16]; /* file system info */ @@ -644,7 +654,7 @@ struct task_struct { /* Thread group tracking */ u32 parent_exec_id; u32 self_exec_id; -/* Protection of (de-)allocation: mm, files, fs, tty */ +/* Protection of (de-)allocation: mm, files, fs, tty, keyrings */ spinlock_t alloc_lock; /* Protection of proc_dentry: nesting proc_lock, dcache_lock, write_lock_irq(&tasklist_lock); */ spinlock_t proc_lock; @@ -828,7 +838,6 @@ extern int force_sigsegv(int, struct task_struct *); extern int force_sig_info(int, struct siginfo *, struct task_struct *); extern int __kill_pg_info(int sig, struct siginfo *info, pid_t pgrp); extern int kill_pg_info(int, struct siginfo *, pid_t); -extern int kill_sl_info(int, struct siginfo *, pid_t); extern int kill_proc_info(int, struct siginfo *, pid_t); extern void do_notify_parent(struct task_struct *, int); extern void force_sig(int, struct task_struct *); @@ -977,8 +986,8 @@ static inline int thread_group_empty(task_t *p) extern void unhash_process(struct task_struct *p); /* - * Protects ->fs, ->files, ->mm, ->ptrace, ->group_info, ->comm and - * synchronises with wait4(). + * Protects ->fs, ->files, ->mm, ->ptrace, ->group_info, ->comm, keyring + * subscriptions and synchronises with wait4(). Also used in procfs. * * Nests both inside and outside of read_lock(&tasklist_lock). * It must not be nested with write_lock_irq(&tasklist_lock), |