diff options
Diffstat (limited to 'fs/proc/array.c')
| -rw-r--r-- | fs/proc/array.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/fs/proc/array.c b/fs/proc/array.c index 9390032a11e1..d67a72dcb92c 100644 --- a/fs/proc/array.c +++ b/fs/proc/array.c @@ -138,7 +138,7 @@ static const char * const task_state_array[] = { static inline const char *get_task_state(struct task_struct *tsk) { BUILD_BUG_ON(1 + ilog2(TASK_REPORT_MAX) != ARRAY_SIZE(task_state_array)); - return task_state_array[__get_task_state(tsk)]; + return task_state_array[task_state_index(tsk)]; } static inline int get_task_umask(struct task_struct *tsk) @@ -366,6 +366,11 @@ static void task_cpus_allowed(struct seq_file *m, struct task_struct *task) cpumask_pr_args(&task->cpus_allowed)); } +static inline void task_core_dumping(struct seq_file *m, struct mm_struct *mm) +{ + seq_printf(m, "CoreDumping:\t%d\n", !!mm->core_state); +} + int proc_pid_status(struct seq_file *m, struct pid_namespace *ns, struct pid *pid, struct task_struct *task) { @@ -376,6 +381,7 @@ int proc_pid_status(struct seq_file *m, struct pid_namespace *ns, if (mm) { task_mem(m, mm); + task_core_dumping(m, mm); mmput(mm); } task_sig(m, task); @@ -424,8 +430,11 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns, * safe because the task has stopped executing permanently. */ if (permitted && (task->flags & PF_DUMPCORE)) { - eip = KSTK_EIP(task); - esp = KSTK_ESP(task); + if (try_get_task_stack(task)) { + eip = KSTK_EIP(task); + esp = KSTK_ESP(task); + put_task_stack(task); + } } } @@ -454,7 +463,7 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns, cutime = sig->cutime; cstime = sig->cstime; cgtime = sig->cgtime; - rsslim = ACCESS_ONCE(sig->rlim[RLIMIT_RSS].rlim_cur); + rsslim = READ_ONCE(sig->rlim[RLIMIT_RSS].rlim_cur); /* add up live thread stats at the group level */ if (whole) { |