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SubjectRe: [PATCH 1/5] oom: improve dump_tasks() show items
On Fri, 20 May 2011, KOSAKI Motohiro wrote:

> diff --git a/mm/oom_kill.c b/mm/oom_kill.c
> index f52e85c..43d32ae 100644
> --- a/mm/oom_kill.c
> +++ b/mm/oom_kill.c
> @@ -355,7 +355,7 @@ static void dump_tasks(const struct mem_cgroup *mem, const nodemask_t *nodemask)
> struct task_struct *p;
> struct task_struct *task;
>
> - pr_info("[ pid ] uid tgid total_vm rss cpu oom_adj oom_score_adj name\n");
> + pr_info("[ pid] ppid uid total_vm rss swap score_adj name\n");
> for_each_process(p) {
> if (oom_unkillable_task(p, mem, nodemask))
> continue;
> @@ -370,11 +370,14 @@ static void dump_tasks(const struct mem_cgroup *mem, const nodemask_t *nodemask)
> continue;
> }
>
> - pr_info("[%5d] %5d %5d %8lu %8lu %3u %3d %5d %s\n",
> - task->pid, task_uid(task), task->tgid,
> - task->mm->total_vm, get_mm_rss(task->mm),
> - task_cpu(task), task->signal->oom_adj,
> - task->signal->oom_score_adj, task->comm);
> + pr_info("[%6d] %6d %5d %8lu %8lu %8lu %9d %s\n",
> + task_tgid_nr(task), task_tgid_nr(task->real_parent),
> + task_uid(task),
> + task->mm->total_vm,
> + get_mm_rss(task->mm) + p->mm->nr_ptes,
> + get_mm_counter(p->mm, MM_SWAPENTS),
> + task->signal->oom_score_adj,
> + task->comm);
> task_unlock(task);
> }
> }

Looks good, with the exception that the "score_adj" header should remain
"oom_score_adj" since that is its name within procfs that changes the
tunable.

After that's fixed:

Acked-by: David Rientjes <rientjes@google.com>


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