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| author | James Morris <james.l.morris@oracle.com> | 2014-04-14 11:23:14 +1000 |
|---|---|---|
| committer | James Morris <james.l.morris@oracle.com> | 2014-04-14 11:23:14 +1000 |
| commit | ecd740c6f2f092b90b95fa35f757973589eaaca2 (patch) | |
| tree | ce02b1e18c4fc5729699251460cd8be7604d8401 /fs/proc/array.c | |
| parent | f64410ec665479d7b4b77b7519e814253ed0f686 (diff) | |
| parent | 455c6fdbd219161bd09b1165f11699d6d73de11c (diff) | |
Merge commit 'v3.14' into next
Diffstat (limited to 'fs/proc/array.c')
| -rw-r--r-- | fs/proc/array.c | 18 |
1 files changed, 4 insertions, 14 deletions
diff --git a/fs/proc/array.c b/fs/proc/array.c index 1bd2077187fd..656e401794de 100644 --- a/fs/proc/array.c +++ b/fs/proc/array.c @@ -140,24 +140,15 @@ static const char * const task_state_array[] = { "t (tracing stop)", /* 8 */ "Z (zombie)", /* 16 */ "X (dead)", /* 32 */ - "x (dead)", /* 64 */ - "K (wakekill)", /* 128 */ - "W (waking)", /* 256 */ - "P (parked)", /* 512 */ }; static inline const char *get_task_state(struct task_struct *tsk) { - unsigned int state = (tsk->state & TASK_REPORT) | tsk->exit_state; - const char * const *p = &task_state_array[0]; + unsigned int state = (tsk->state | tsk->exit_state) & TASK_REPORT; - BUILD_BUG_ON(1 + ilog2(TASK_STATE_MAX) != ARRAY_SIZE(task_state_array)); + BUILD_BUG_ON(1 + ilog2(TASK_REPORT) != ARRAY_SIZE(task_state_array)-1); - while (state) { - p++; - state >>= 1; - } - return *p; + return task_state_array[fls(state)]; } static inline void task_state(struct seq_file *m, struct pid_namespace *ns, @@ -453,8 +444,7 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns, min_flt += t->min_flt; maj_flt += t->maj_flt; gtime += task_gtime(t); - t = next_thread(t); - } while (t != task); + } while_each_thread(task, t); min_flt += sig->min_flt; maj_flt += sig->maj_flt; |