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-rw-r--r--fs/proc/array.c40
1 files changed, 8 insertions, 32 deletions
diff --git a/fs/proc/array.c b/fs/proc/array.c
index 1bd2077187fd..cd3653e4f35c 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -138,26 +138,17 @@ static const char * const task_state_array[] = {
"D (disk sleep)", /* 2 */
"T (stopped)", /* 4 */
"t (tracing stop)", /* 8 */
- "Z (zombie)", /* 16 */
- "X (dead)", /* 32 */
- "x (dead)", /* 64 */
- "K (wakekill)", /* 128 */
- "W (waking)", /* 256 */
- "P (parked)", /* 512 */
+ "X (dead)", /* 16 */
+ "Z (zombie)", /* 32 */
};
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,
@@ -306,15 +297,11 @@ static void render_cap_t(struct seq_file *m, const char *header,
seq_puts(m, header);
CAP_FOR_EACH_U32(__capi) {
seq_printf(m, "%08x",
- a->cap[(_KERNEL_CAPABILITY_U32S-1) - __capi]);
+ a->cap[CAP_LAST_U32 - __capi]);
}
seq_putc(m, '\n');
}
-/* Remove non-existent capabilities */
-#define NORM_CAPS(v) (v.cap[CAP_TO_INDEX(CAP_LAST_CAP)] &= \
- CAP_TO_MASK(CAP_LAST_CAP + 1) - 1)
-
static inline void task_cap(struct seq_file *m, struct task_struct *p)
{
const struct cred *cred;
@@ -328,11 +315,6 @@ static inline void task_cap(struct seq_file *m, struct task_struct *p)
cap_bset = cred->cap_bset;
rcu_read_unlock();
- NORM_CAPS(cap_inheritable);
- NORM_CAPS(cap_permitted);
- NORM_CAPS(cap_effective);
- NORM_CAPS(cap_bset);
-
render_cap_t(m, "CapInh:\t", &cap_inheritable);
render_cap_t(m, "CapPrm:\t", &cap_permitted);
render_cap_t(m, "CapEff:\t", &cap_effective);
@@ -453,8 +435,7 @@ 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;
@@ -483,13 +464,8 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
priority = task_prio(task);
nice = task_nice(task);
- /* Temporary variable needed for gcc-2.96 */
- /* convert timespec -> nsec*/
- start_time =
- (unsigned long long)task->real_start_time.tv_sec * NSEC_PER_SEC
- + task->real_start_time.tv_nsec;
/* convert nsec -> ticks */
- start_time = nsec_to_clock_t(start_time);
+ start_time = nsec_to_clock_t(task->real_start_time);
seq_printf(m, "%d (%s) %c", pid_nr_ns(pid, ns), tcomm, state);
seq_put_decimal_ll(m, ' ', ppid);
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