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proc: convert /proc/$PID/oom_score to seq_file interface 

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Alexey Dobriyan 2014-08-08 14:21:48 -07:00 committed by Linus Torvalds
parent f6e826ca37
commit 6ba51e3751
1 changed files with 5 additions and 4 deletions
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9
fs/proc/base.c
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@ -411,7 +411,8 @@ static const struct file_operations proc_cpuset_operations = {
};
#endif
static int proc_oom_score(struct task_struct *task, char *buffer)
static int proc_oom_score(struct seq_file *m, struct pid_namespace *ns,
struct pid *pid, struct task_struct *task)
{
unsigned long totalpages = totalram_pages + total_swap_pages;
unsigned long points = 0;
@ -421,7 +422,7 @@ static int proc_oom_score(struct task_struct *task, char *buffer)
points = oom_badness(task, NULL, NULL, totalpages) *
1000 / totalpages;
read_unlock(&tasklist_lock);
return sprintf(buffer, "%lu\n", points);
return seq_printf(m, "%lu\n", points);
}
struct limit_names {
@ -2616,7 +2617,7 @@ static const struct pid_entry tgid_base_stuff[] = {
#ifdef CONFIG_CGROUPS
REG("cgroup", S_IRUGO, proc_cgroup_operations),
#endif
INF("oom_score", S_IRUGO, proc_oom_score),
ONE("oom_score", S_IRUGO, proc_oom_score),
REG("oom_adj", S_IRUGO|S_IWUSR, proc_oom_adj_operations),
REG("oom_score_adj", S_IRUGO|S_IWUSR, proc_oom_score_adj_operations),
#ifdef CONFIG_AUDITSYSCALL
@ -2954,7 +2955,7 @@ static const struct pid_entry tid_base_stuff[] = {
#ifdef CONFIG_CGROUPS
REG("cgroup", S_IRUGO, proc_cgroup_operations),
#endif
INF("oom_score", S_IRUGO, proc_oom_score),
ONE("oom_score", S_IRUGO, proc_oom_score),
REG("oom_adj", S_IRUGO|S_IWUSR, proc_oom_adj_operations),
REG("oom_score_adj", S_IRUGO|S_IWUSR, proc_oom_score_adj_operations),
#ifdef CONFIG_AUDITSYSCALL