linux-kernel - Re: [PATCH 6/6] staging: android/lowmemorykiller: Do not kill kernel threads

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Message-ID: <CAHGf_=qk9_E5hd86NGkQ2fvxrhOLfY7DHPMTZ65KQXTCMWobTA@mail.gmail.com>
Date:	Mon, 6 Feb 2012 16:38:26 -0500
From:	KOSAKI Motohiro <kosaki.motohiro@...il.com>
To:	Anton Vorontsov <anton.vorontsov@...aro.org>
Cc:	Oleg Nesterov <oleg@...hat.com>,
	Greg KH <gregkh@...uxfoundation.org>,
	Arve Hjønnevåg <arve@...roid.com>,
	San Mehat <san@...gle.com>, Colin Cross <ccross@...roid.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	linux-kernel@...r.kernel.org, kernel-team@...roid.com,
	linaro-kernel@...ts.linaro.org
Subject: Re: [PATCH 6/6] staging: android/lowmemorykiller: Do not kill kernel threads

2012/2/6 Anton Vorontsov <anton.vorontsov@...aro.org>:
> LMK should not try killing kernel threads.
>
> Suggested-by: Oleg Nesterov <oleg@...hat.com>
> Signed-off-by: Anton Vorontsov <anton.vorontsov@...aro.org>
> ---
>  drivers/staging/android/lowmemorykiller.c |    3 +++
>  1 files changed, 3 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/staging/android/lowmemorykiller.c b/drivers/staging/android/lowmemorykiller.c
> index 6e800d3..ae38c39 100644
> --- a/drivers/staging/android/lowmemorykiller.c
> +++ b/drivers/staging/android/lowmemorykiller.c
> @@ -138,6 +138,9 @@ static int lowmem_shrink(struct shrinker *s, struct shrink_control *sc)
>                struct task_struct *p;
>                int oom_adj;
>
> +               if (tsk->flags & PF_KTHREAD)
> +                       continue;
> +

ack.
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