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SubjectRe: [3.2-rc3] OOM killer doesn't kill the obvious memory hog
On Fri, 2 Dec 2011, KAMEZAWA Hiroyuki wrote:

> From ed565cbf842e0b30827fba7bfdbc724fe21d9d2d Mon Sep 17 00:00:00 2001
> From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
> Date: Fri, 2 Dec 2011 14:10:51 +0900
> Subject: [PATCH] oom_score_adj trace point.
>
> oom_score_adj is set by some daemon and launch tasks ans inherited
> to applications, sometimes unexpectedly.
>
> This patch is for debugging oom_score_adj inheritance. This
> adds trace points for oom_score_adj inheritance.
>
> bash-2501 [002] 448.860197: oom_score_adj_update: task 2501[bash] updates oom_score_adj=-1000
> bash-2501 [002] 455.678190: oom_score_adj_inherited: new task 2527 inherited oom_score_adj -1000
> ls-2527 [007] 455.678683: oom_score_task_rename: task 2527[bash] to [ls] oom_score_adj=-1000
> bash-2501 [007] 461.632103: oom_score_adj_inherited: new task 2528 inherited oom_score_adj -1000
> bash-2501 [007] 461.632335: oom_score_adj_inherited: new task 2529 inherited oom_score_adj -1000
> ls-2528 [003] 461.632983: oom_score_task_rename: task 2528[bash] to [ls] oom_score_adj=-1000
> less-2529 [005] 461.633086: oom_score_task_rename: task 2529[bash] to [less] oom_score_adj=-1000
> bash-2501 [004] 474.888710: oom_score_adj_update: task 2501[bash] updates oom_score_adj=0
>
> Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>

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

Thanks Kame!


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